Annotation of loncom/interface/londropadd.pm, revision 1.103

1.1       www         1: # The LearningOnline Network with CAPA
                      2: # Handler to drop and add students in courses 
                      3: #
1.103   ! matthew     4: # $Id: londropadd.pm,v 1.102 2004/02/20 19:44:59 matthew Exp $
1.17      albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.1       www        28: #
1.50      matthew    29: ###############################################################
1.82      www        30: ##############################################################
1.1       www        31: 
                     32: package Apache::londropadd;
                     33: 
                     34: use strict;
1.24      albertel   35: use Apache::lonnet();
                     36: use Apache::loncommon();
1.50      matthew    37: use Apache::lonhtmlcommon();
1.1       www        38: use Apache::Constants qw(:common :http REDIRECT);
1.60      matthew    39: use Spreadsheet::WriteExcel;
1.86      www        40: use Apache::lonlocal;
1.1       www        41: 
1.50      matthew    42: ###############################################################
                     43: ###############################################################
1.10      www        44: sub header {
1.102     matthew    45:     my $bodytag=&Apache::loncommon::bodytag('Enrollment Manager');
1.88      matthew    46:     my $title = &mt('LON-CAPA Enrollment Manager');
1.27      matthew    47:     return(<<ENDHEAD);
1.1       www        48: <html>
                     49: <head>
1.88      matthew    50: <title>$title</title>
1.1       www        51: </head>
1.46      www        52: $bodytag
1.40      matthew    53: <form method="post" enctype="multipart/form-data"  
                     54:       action="/adm/dropadd" name="studentform">
1.1       www        55: ENDHEAD
1.10      www        56: }
                     57: 
1.50      matthew    58: ###############################################################
                     59: ###############################################################
                     60: # Drop student from all sections of a course, except optional $csec
1.26      matthew    61: sub modifystudent {
1.33      matthew    62:     my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
1.26      matthew    63:     # if $csec is undefined, drop the student from all the courses matching
                     64:     # this one.  If $csec is defined, drop them from all other sections of 
                     65:     # this course and add them to section $csec
1.25      matthew    66:     $courseid=~s/\_/\//g;
                     67:     $courseid=~s/^(\w)/\/$1/;
1.26      matthew    68:     my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
                     69:     my ($tmp) = keys(%roles);
                     70:     # Bail out if we were unable to get the students roles
1.35      matthew    71:     return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1.26      matthew    72:     # Go through the roles looking for enrollment in this course
1.35      matthew    73:     my $result = '';
1.26      matthew    74:     foreach my $course (keys(%roles)) {
1.35      matthew    75:         if ($course=~/^$courseid(?:\/)*(?:\s+)*(\w+)*\_st$/) {
1.26      matthew    76:             # We are in this course
1.25      matthew    77:             my $section=$1;
1.26      matthew    78:             $section='' if ($course eq $courseid.'_st');
1.87      matthew    79:             if (defined($csec) && $section eq $csec) {
1.71      matthew    80:                 $result .= 'ok:';
                     81:             } elsif ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
1.27      matthew    82:                 my (undef,$end,$start)=split(/\_/,$roles{$course});
1.25      matthew    83:                 my $now=time;
1.50      matthew    84:                 # if this is an active role 
1.27      matthew    85:                 if (!($start && ($now<$start)) || !($end && ($now>$end))) {
1.25      matthew    86:                     my $reply=&Apache::lonnet::modifystudent
1.70      matthew    87:                         # dom  name  id mode pass     f     m     l     g
                     88:                         ($udom,$unam,'',  '',  '',undef,undef,undef,undef,
1.33      matthew    89:                          $section,time,undef,undef,$desiredhost);
1.35      matthew    90:                     $result .= $reply.':';
1.25      matthew    91:                 }
1.10      www        92:             }
                     93:         }
1.20      harris41   94:     }
1.35      matthew    95:     if ($result eq '') {
1.62      matthew    96:         $result = 'Unable to find section for this student';
1.37      matthew    97:     } else {
                     98:         $result =~ s/(ok:)+/ok/g;
1.35      matthew    99:     }
                    100:     return $result;
1.10      www       101: }
                    102: 
1.50      matthew   103: ###############################################################
                    104: ###############################################################
                    105: # build a domain and server selection form
1.31      matthew   106: sub domain_form {
                    107:     my ($defdom) = @_;
                    108:     # Set up domain and server selection forms
                    109:     #
                    110:     # Get the domains
                    111:     my @domains = &Apache::loncommon::get_domains();
                    112:     # build up the menu information to be passed to 
                    113:     # &Apache::loncommon::linked_select_forms
                    114:     my %select_menus;
                    115:     foreach my $dom (@domains) {
                    116:         # set up the text for this domain
                    117:         $select_menus{$dom}->{'text'}= $dom;
                    118:         # we want a choice of 'default' as the default in the second menu
                    119:         $select_menus{$dom}->{'default'}= 'default';
                    120:         $select_menus{$dom}->{'select2'}->{'default'} = 'default';
                    121:         # Now build up the other items in the second menu
1.45      matthew   122:         my %servers = &Apache::loncommon::get_library_servers($dom);
1.31      matthew   123:         foreach my $server (keys(%servers)) {
                    124:             $select_menus{$dom}->{'select2'}->{$server} 
                    125:                                             = "$server $servers{$server}";
                    126:         }
                    127:     }
                    128:     my $result  = &Apache::loncommon::linked_select_forms
                    129:         ('studentform',' with home server ',$defdom,
                    130:          'lcdomain','lcserver',\%select_menus);
                    131:     return $result;
                    132: }
                    133: 
1.50      matthew   134: ###############################################################
                    135: ###############################################################
                    136: #  Menu Phase One
                    137: sub print_main_menu {
1.10      www       138:     my $r=shift;
1.88      matthew   139:     my %Text = &Apache::lonlocal::texthash
                    140:         ('upload'    => 'Upload a class list',
                    141:          'enrollone' => 'Enroll a single student',
                    142:          'modify'    => 'Modify student data',
                    143:          'view'      => 'View Class List',
1.91      raeburn   144:          'drop'      => 'Drop Students',
                    145:          'populate'  => 'Automated Enrollment Manager');
1.98      www       146:     my %help=();
                    147:     foreach ('Course_Drop_Student','Course_Add_Student',
                    148: 	     'Course_Modify_Student_Data','Course_View_Class_List',
                    149: 	     'Course_Create_Class_List') {
                    150: 	$help{$_}=&Apache::loncommon::help_open_topic($_);
                    151:     }
1.88      matthew   152: 
1.48      matthew   153:     $r->print(<<END);
                    154: <p>
1.50      matthew   155: <font size="+1">
1.98      www       156: <a href="/adm/dropadd?action=upload">$Text{'upload'}</a>
                    157: </font>$help{'Course_Create_Class_List'}
1.50      matthew   158: </p><p>
                    159: <font size="+1">
1.88      matthew   160:     <a href="/adm/dropadd?action=enrollstudent">$Text{'enrollone'}</a>
1.98      www       161:     </font>$help{'Course_Add_Student'}
1.48      matthew   162: </p><p>
1.50      matthew   163: <font size="+1">
1.88      matthew   164:     <a href="/adm/dropadd?action=modifystudent">$Text{'modify'}</a>
1.98      www       165:     </font>$help{'Course_Modify_Student_Data'}
1.48      matthew   166: </p><p>
1.50      matthew   167: <font size="+1">
1.88      matthew   168:     <a href="/adm/dropadd?action=classlist">$Text{'view'}</a>
1.98      www       169:     </font>$help{'Course_View_Class_List'}
1.48      matthew   170: </p><p>
1.50      matthew   171: <font size="+1">
1.88      matthew   172:     <a href="/adm/dropadd?action=drop">$Text{'drop'}</a>
1.98      www       173:     </font>$help{'Course_Drop_Student'}
1.91      raeburn   174: </p><p>
                    175: <font size="+1">
                    176:     <a href="/adm/populate">$Text{'populate'}</a>
                    177: </font>
1.48      matthew   178: END
1.10      www       179: }
                    180: 
1.50      matthew   181: ###############################################################
                    182: ###############################################################
1.89      matthew   183: sub hidden_input {
                    184:     my ($name,$value) = @_;
                    185:     return '<input type="hidden" name="'.$name.'" value="'.$value.'" />'."\n";
                    186: }
                    187: 
1.50      matthew   188: sub print_upload_manager_header {
1.23      albertel  189:     my ($r,$datatoken,$distotal,$krbdefdom)=@_;
1.24      albertel  190:     my $javascript;
1.99      matthew   191:     #
1.50      matthew   192:     if (! exists($ENV{'form.upfile_associate'})) {
                    193:         $ENV{'form.upfile_associate'} = 'forward';
                    194:     }
                    195:     if ($ENV{'form.associate'} eq 'Reverse Association') {
                    196:         if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
                    197:             $ENV{'form.upfile_associate'} = 'reverse';
                    198:         } else {
                    199:             $ENV{'form.upfile_associate'} = 'forward';
                    200:         }
                    201:     }
1.24      albertel  202:     if ($ENV{'form.upfile_associate'} eq 'reverse') {
1.50      matthew   203: 	$javascript=&upload_manager_javascript_reverse_associate();
1.24      albertel  204:     } else {
1.50      matthew   205: 	$javascript=&upload_manager_javascript_forward_associate();
1.24      albertel  206:     }
1.99      matthew   207:     #
                    208:     # Deal with restored settings
                    209:     my $password_choice = '';
                    210:     if (exists($ENV{'form.ipwd_choice'}) &&
                    211:         $ENV{'form.ipwd_choice'} ne '') {
                    212:         # If a column was specified for password, assume it is for an
                    213:         # internal password.  This is a bug waiting to be filed (could be
                    214:         # local or krb auth instead of internal) but I do not have the 
                    215:         # time to mess around with this now.
                    216:         $password_choice = 'int';        
                    217:     }
                    218:     #
                    219:     my $javascript_validations=&javascript_validations('auth',$krbdefdom,
                    220:                                     $password_choice);
1.82      www       221:     my $checked=(($ENV{'form.noFirstLine'})?' checked="1"':'');
1.88      matthew   222:     $r->print('<h3>'.&mt('Uploading Class List')."</h3>\n".
                    223:               "<hr>\n".
                    224:               '<h3>'.&mt('Identify fields')."</h3>\n");
                    225:     $r->print("<p>\n".
                    226:               &mt('Total number of records found in file: [_1].',$distotal).
                    227:               "\n".
                    228:               "</p><hr>\n");
1.94      sakharuk  229:     $r->print(&mt('Enter as many fields as you can. The system will inform you and bring you back to this page if the data selected is insufficient to enroll students in your class.')."<hr>\n");
1.89      matthew   230:     $r->print(&hidden_input('action','upload').
                    231:               &hidden_input('state','got_file').
                    232:               &hidden_input('associate','').
                    233:               &hidden_input('datatoken',$datatoken).
                    234:               &hidden_input('fileupload',$ENV{'form.fileupload'}).
                    235:               &hidden_input('upfiletype',$ENV{'form.upfiletype'}).
                    236:               &hidden_input('upfile_associate',$ENV{'form.upfile_associate'}));
                    237:     $r->print('<input type="button" value="Reverse Association" '.
                    238:               'name="'.&mt('Reverse Association').'" '.
                    239:               'onClick="javascript:this.form.associate.value=\'Reverse Association\';submit(this.form);" />');
                    240:     $r->print('<input type="checkbox" name="noFirstLine" $checked />'.
                    241:               &mt('Ignore First Line'));
                    242:     $r->print("<hr />\n".
                    243:               '<script type="text/javascript" language="Javascript">'."\n".
                    244:               $javascript."\n".$javascript_validations.'</script>');
1.24      albertel  245: }
                    246: 
1.50      matthew   247: ###############################################################
                    248: ###############################################################
1.24      albertel  249: sub javascript_validations {
1.96      raeburn   250:     my ($mode,$krbdefdom,$curr_authtype,$curr_authfield)=@_;
1.89      matthew   251:     my $authheader;
                    252:     if ($mode eq 'auth') {
                    253:         my %param = ( formname => 'studentform',
1.99      matthew   254:                       kerb_def_dom => $krbdefdom,
                    255:                       curr_authtype => $curr_authtype);
1.89      matthew   256:         $authheader = &Apache::loncommon::authform_header(%param);
1.91      raeburn   257:     } elsif ($mode eq 'createcourse') {
                    258:         my %param = ( formname => 'ccrs',
1.99      matthew   259:                   kerb_def_dom => $krbdefdom,
                    260:                       curr_authtype => $curr_authtype );
1.91      raeburn   261:         $authheader = &Apache::loncommon::authform_header(%param);
1.96      raeburn   262:     } elsif ($mode eq 'modifycourse') {
                    263:         my %param = ( formname => 'cmod',
                    264:                   kerb_def_dom => $krbdefdom,
                    265:                   mode => 'modifycourse',
                    266:                   curr_authtype => $curr_authtype,
                    267:                   curr_autharg => $curr_authfield );
                    268:         $authheader = &Apache::loncommon::authform_header(%param);
1.89      matthew   269:     }
1.96      raeburn   270: 
1.91      raeburn   271:     
1.89      matthew   272:     my %alert = &Apache::lonlocal::texthash
                    273:         (username => 'You need to specify the username field.',
                    274:          authen   => 'You must choose an authentication type.',
                    275:          krb      => 'You need to specify the Kerberos domain.',
                    276:          ipass    => 'You need to specify the initial password.',
                    277:          name     => 'The optional name field was not specified.',
                    278:          snum     => 'The optional student number field was not specified.',
                    279:          section  => 'The optional section or group field was not specified.', 
                    280:          email    => 'The optional email address field was not specified.',
                    281:          continue => 'Continue enrollment?',
                    282:          );
                    283:     
                    284: #    my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
                    285:     my $function_name =(<<END);
1.73      www       286: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
1.89      matthew   287: END
1.97      raeburn   288:     my $auth_checks;
1.96      raeburn   289:     if ($mode eq 'createcourse') {
                    290:         $auth_checks .= (<<END);
1.97      raeburn   291:     if (vf.autoadds[0].checked == true) {
1.96      raeburn   292:         if (current.radiovalue == null || current.radiovalue == 'nochange') {
                    293:             alert('$alert{'authen'}');
                    294:             return;
                    295:         }
                    296:     }
                    297: END
                    298:     } else {
1.91      raeburn   299:         $auth_checks .= (<<END);
1.97      raeburn   300:     var foundatype=0;
1.3       www       301:     if (founduname==0) {
1.89      matthew   302: 	alert('$alert{'username'}');
1.3       www       303:         return;
                    304:     }
1.61      matthew   305:     // alert('current.radiovalue = '+current.radiovalue);
1.29      matthew   306:     if (current.radiovalue == null || current.radiovalue == 'nochange') {
1.28      matthew   307:         // They did not check any of the login radiobuttons.
1.89      matthew   308:         alert('$alert{'authen'}');
1.28      matthew   309:         return;
                    310:     }
1.96      raeburn   311: END
                    312:     }
1.97      raeburn   313:     if ($mode eq 'createcourse') {
                    314:         $auth_checks .= "
                    315:     if ( (vf.autoadds[0].checked == true) &&
                    316:          (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') ) {
                    317: ";
                    318:     } elsif ($mode eq 'modifycourse') {
                    319:         $auth_checks .= " 
                    320:     if (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') {
                    321: ";
                    322:     }
1.96      raeburn   323:     if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
1.97      raeburn   324:         $auth_checks .= (<<END);
                    325:         var alertmsg = '';
                    326:         switch (current.radiovalue) {
                    327:             case 'krb':
                    328:                 alertmsg = '$alert{'krb'}';
                    329:                 break;
                    330:             default:
                    331:                 alertmsg = '';
1.96      raeburn   332:         }
1.97      raeburn   333:         if (alertmsg != '') {
                    334:             alert(alertmsg);
                    335:             return;
1.96      raeburn   336:         }
                    337:     }
                    338: END
                    339:     } else {
                    340:         $auth_checks .= (<<END);
1.28      matthew   341:     foundatype=1;
1.29      matthew   342:     if (current.argfield == null || current.argfield == '') {
1.28      matthew   343:         var alertmsg = '';
1.29      matthew   344:         switch (current.value) {
1.28      matthew   345:             case 'krb': 
1.89      matthew   346:                 alertmsg = '$alert{'krb'}';
1.28      matthew   347:                 break;
                    348:             case 'loc':
                    349:             case 'fsys':
1.89      matthew   350:                 alertmsg = '$alert{'ipass'}';
1.28      matthew   351:                 break;
                    352:             case 'fsys':
                    353:                 alertmsg = '';
                    354:                 break;
                    355:             default: 
                    356:                 alertmsg = '';
1.3       www       357:         }
1.28      matthew   358:         if (alertmsg != '') {
                    359:             alert(alertmsg);
1.3       www       360:             return;
                    361:         }
                    362:     }
1.89      matthew   363: END
1.96      raeburn   364:     }
1.91      raeburn   365:     my $optional_checks = '';
1.96      raeburn   366:     if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
1.91      raeburn   367:         $optional_checks = (<<END);
                    368:     vf.submit();
                    369: }
                    370: END
                    371:     } else {
                    372:         $optional_checks = (<<END);
1.89      matthew   373:     var message='';
                    374:     if (foundname==0) { 
                    375:         message='$alert{'name'}';
1.24      albertel  376:     }
1.89      matthew   377:     if (foundid==0) { 
                    378:         if (message!='') { 
                    379:             message+='\\n'; 
                    380:         }
                    381:         message+='$alert{'snum'}';
                    382:     }
                    383:     if (foundsec==0) {
                    384:         if (message!='') {
                    385:             message+='\\n';
                    386:         } 
                    387:         message+='$alert{'section'}';
                    388:     }
                    389:     if (foundemail==0) {
                    390:         if (message!='') {
                    391:             message+='\\n';
                    392:         }
                    393:         message+='$alert{'email'}';
1.74      matthew   394:     }
                    395:     if (message!='') {
1.89      matthew   396:         message+= '\\n$alert{'continue'}';
                    397:         if (confirm(message)) {
                    398:             vf.state.value='enrolling';
                    399:             vf.submit();
                    400:         }
1.74      matthew   401:     } else {
1.89      matthew   402:         vf.state.value='enrolling';
                    403:         vf.submit();
1.74      matthew   404:     }
                    405: }
1.89      matthew   406: END
1.91      raeburn   407:     }
1.89      matthew   408:     my $result = $function_name;
1.96      raeburn   409:     if ( ($mode eq 'auth') || ($mode eq 'createcourse') || ($mode eq 'modifycourse')  ) {
1.89      matthew   410:         $result .= $auth_checks;
                    411:     }
                    412:     $result .= $optional_checks;
1.96      raeburn   413:     if ( ($mode eq 'auth') || ($mode eq 'createcourse') || ($mode eq 'modifycourse')  ) {
1.89      matthew   414:         $result .= $authheader;
                    415:     }
                    416:     return $result;
1.74      matthew   417: }
                    418: 
1.50      matthew   419: ###############################################################
                    420: ###############################################################
                    421: sub upload_manager_javascript_forward_associate {
1.24      albertel  422:     return(<<ENDPICK);
                    423: function verify(vf) {
                    424:     var founduname=0;
                    425:     var foundpwd=0;
                    426:     var foundname=0;
                    427:     var foundid=0;
                    428:     var foundsec=0;
1.73      www       429:     var foundemail=0;
1.24      albertel  430:     var tw;
                    431:     for (i=0;i<=vf.nfields.value;i++) {
                    432:         tw=eval('vf.f'+i+'.selectedIndex');
                    433:         if (tw==1) { founduname=1; }
                    434:         if ((tw>=2) && (tw<=6)) { foundname=1; }
                    435:         if (tw==7) { foundid=1; }
                    436:         if (tw==8) { foundsec=1; }
                    437:         if (tw==9) { foundpwd=1; }
1.73      www       438:         if (tw==10) { foundemail=1; }
1.24      albertel  439:     }
1.73      www       440:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail);
1.24      albertel  441: }
                    442: 
1.49      matthew   443: //
                    444: // vf = this.form
                    445: // tf = column number
                    446: //
                    447: // values of nw
                    448: //
                    449: // 0 = none
                    450: // 1 = username
                    451: // 2 = names (lastname, firstnames)
                    452: // 3 = fname (firstname)
                    453: // 4 = mname (middlename)
                    454: // 5 = lname (lastname)
                    455: // 6 = gen   (generation)
                    456: // 7 = id
                    457: // 8 = section
                    458: // 9 = ipwd  (password)
1.73      www       459: // 10 = email address
                    460: 
1.24      albertel  461: function flip(vf,tf) {
                    462:    var nw=eval('vf.f'+tf+'.selectedIndex');
                    463:    var i;
1.49      matthew   464:    // make sure no other columns are labeled the same as this one
1.24      albertel  465:    for (i=0;i<=vf.nfields.value;i++) {
                    466:       if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
                    467:           eval('vf.f'+i+'.selectedIndex=0;')
                    468:       }
                    469:    }
1.49      matthew   470:    // If we set this to 'lastname, firstnames', clear out all the ones
                    471:    // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
1.24      albertel  472:    if (nw==2) {
                    473:       for (i=0;i<=vf.nfields.value;i++) {
                    474:          if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
                    475:              (eval('vf.f'+i+'.selectedIndex')<=6)) {
                    476:              eval('vf.f'+i+'.selectedIndex=0;')
                    477:          }
                    478:       }
                    479:    }
1.49      matthew   480:    // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
                    481:    // clear out any that are set to 'lastname, firstnames' (2)
1.24      albertel  482:    if ((nw>=3) && (nw<=6)) {
                    483:       for (i=0;i<=vf.nfields.value;i++) {
                    484:          if (eval('vf.f'+i+'.selectedIndex')==2) {
                    485:              eval('vf.f'+i+'.selectedIndex=0;')
                    486:          }
                    487:       }
                    488:    }
1.49      matthew   489:    // If we set the password, make the password form below correspond to 
                    490:    // the new value.
1.24      albertel  491:    if (nw==9) {
1.28      matthew   492:        changed_radio('int',document.studentform);
                    493:        set_auth_radio_buttons('int',document.studentform);
                    494:        vf.intarg.value='';
                    495:        vf.krbarg.value='';
1.24      albertel  496:        vf.locarg.value='';
                    497:    }
                    498: }
                    499: 
                    500: function clearpwd(vf) {
                    501:     var i;
                    502:     for (i=0;i<=vf.nfields.value;i++) {
                    503:         if (eval('vf.f'+i+'.selectedIndex')==9) {
                    504:             eval('vf.f'+i+'.selectedIndex=0;')
                    505:         }
                    506:     }
                    507: }
                    508: 
                    509: ENDPICK
                    510: }
                    511: 
1.50      matthew   512: ###############################################################
                    513: ###############################################################
                    514: sub upload_manager_javascript_reverse_associate {
1.24      albertel  515:     return(<<ENDPICK);
                    516: function verify(vf) {
                    517:     var founduname=0;
                    518:     var foundpwd=0;
                    519:     var foundname=0;
                    520:     var foundid=0;
                    521:     var foundsec=0;
                    522:     var tw;
                    523:     for (i=0;i<=vf.nfields.value;i++) {
                    524:         tw=eval('vf.f'+i+'.selectedIndex');
                    525:         if (i==0 && tw!=0) { founduname=1; }
                    526:         if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
                    527:         if (i==6 && tw!=0) { foundid=1; }
                    528:         if (i==7 && tw!=0) { foundsec=1; }
                    529:         if (i==8 && tw!=0) { foundpwd=1; }
                    530:     }
                    531:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
                    532: }
                    533: 
                    534: function flip(vf,tf) {
                    535:    var nw=eval('vf.f'+tf+'.selectedIndex');
                    536:    var i;
                    537:    // picked the all one one name field, reset the other name ones to blank
                    538:    if (tf==1 && nw!=0) {
                    539:       for (i=2;i<=5;i++) {
                    540:          eval('vf.f'+i+'.selectedIndex=0;')
                    541:       }
                    542:    }
                    543:    //picked one of the piecewise name fields, reset the all in
                    544:    //one field to blank
                    545:    if ((tf>=2) && (tf<=5) && (nw!=0)) {
                    546:       eval('vf.f1.selectedIndex=0;')
                    547:    }
                    548:    // intial password specified, pick internal authentication
                    549:    if (tf==8 && nw!=0) {
1.28      matthew   550:        changed_radio('int',document.studentform);
                    551:        set_auth_radio_buttons('int',document.studentform);
                    552:        vf.krbarg.value='';
                    553:        vf.intarg.value='';
1.24      albertel  554:        vf.locarg.value='';
                    555:    }
                    556: }
                    557: 
                    558: function clearpwd(vf) {
                    559:     var i;
                    560:     if (eval('vf.f8.selectedIndex')!=0) {
                    561:         eval('vf.f8.selectedIndex=0;')
                    562:     }
                    563: }
1.2       www       564: ENDPICK
1.23      albertel  565: }
1.10      www       566: 
1.50      matthew   567: ###############################################################
                    568: ###############################################################
                    569: sub print_upload_manager_footer {
1.23      albertel  570:     my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
1.64      albertel  571: 
                    572:     my ($krbdef,$krbdefdom) =
                    573:         &Apache::loncommon::get_kerberos_defaults($defdom);
                    574:     my %param = ( formname => 'document.studentform',
                    575:                   kerb_def_dom => $krbdefdom,
                    576:                   kerb_def_auth => $krbdef
                    577:                   );
1.99      matthew   578:     if (exists($ENV{'form.ipwd_choice'}) &&
                    579:         defined($ENV{'form.ipwd_choice'}) &&
                    580:         $ENV{'form.ipwd_choice'} ne '') {
                    581:         $param{'curr_authtype'} = 'int';
                    582:     }
1.28      matthew   583:     my $krbform = &Apache::loncommon::authform_kerberos(%param);
                    584:     my $intform = &Apache::loncommon::authform_internal(%param);
                    585:     my $locform = &Apache::loncommon::authform_local(%param);
1.31      matthew   586:     my $domform = &domain_form($defdom);
1.68      matthew   587:     my $date_table = &date_setting_table();
1.90      matthew   588:     my $Str = "</table>\n";
                    589:     $Str .= &hidden_input('nfields',$i);
                    590:     $Str .= &hidden_input('keyfields',$keyfields);
                    591:     $Str .= '<h3>'.&mt('Login Type')."</h3>\n";
                    592:     $Str .= "<p>\n".
                    593:         &mt('Note: this will not take effect if the user already exists').
                    594:         "</p><p>\n";
                    595:     $Str .= $krbform."\n</p><p>\n".
                    596:         $intform."\n</p><p>\n".
                    597:         $locform."\n</p>\n";
                    598:     $Str .= '<h3>'.&mt('LON-CAPA Domain for Students')."</h3>\n";
                    599:     $Str .= "<p>\n".&mt('LON-CAPA domain: [_1]',$domform)."\n</p>\n";
                    600:     $Str .= "<h3>".&mt('Starting and Ending Dates')."</h3>\n";
                    601:     $Str .= "<p>\n".$date_table."</p>\n";
                    602:     $Str .= "<h3>".&mt('Full Update')."</h3>\n";
                    603:     $Str .= '<input type="checkbox" name="fullup" value="yes">'.
                    604:         ' '.&mt('Full update (also print list of users not enrolled anymore)').
                    605:         "</p>\n";
                    606:     $Str .= "<h3>".&mt('Student Number')."</h3>\n";
                    607:     $Str .= "<p>\n".'<input type="checkbox" name="forceid" value="yes">';
                    608:     $Str .= &mt('Disable ID/Student Number Safeguard and Force Change '.
                    609:                 'of Conflicting IDs (only do if you know what you are doing)').
                    610:                 "\n</p><p>\n";
                    611:     $Str .= '<input type="button" onClick="javascript:verify(this.form)" '.
1.95      albertel  612:         'value="Update Class List" />'."<br />\n";
1.90      matthew   613:     $Str .= &mt('Note: for large courses, this operation may be time '.
                    614:                 'consuming');
                    615:     $r->print($Str);
                    616:     return;
1.23      albertel  617: }
1.24      albertel  618: 
1.90      matthew   619: ###############################################################
                    620: ###############################################################
1.50      matthew   621: sub print_upload_manager_form {
1.23      albertel  622:     my $r=shift;
1.99      matthew   623: 
1.82      www       624:     my $firstLine;
1.24      albertel  625:     my $datatoken;
                    626:     if (!$ENV{'form.datatoken'}) {
1.90      matthew   627:         $datatoken=&Apache::loncommon::upfile_store($r);
1.24      albertel  628:     } else {
1.90      matthew   629:         $datatoken=$ENV{'form.datatoken'};
                    630:         &Apache::loncommon::load_tmp_file($r);
1.24      albertel  631:     }
                    632:     my @records=&Apache::loncommon::upfile_record_sep();
1.90      matthew   633:     if($ENV{'form.noFirstLine'}){
                    634:         $firstLine=shift(@records);
                    635:     }
1.23      albertel  636:     my $total=$#records;
                    637:     my $distotal=$total+1;
                    638:     my $today=time;
                    639:     my $halfyear=$today+15552000;
1.99      matthew   640:     #
                    641:     # Restore memorized settings
                    642:     &Apache::loncommon::restore_course_settings
                    643:         ('enrollment_upload',{ 'username_choice' => 'scalar', # column settings
                    644:                                'names_choice' => 'scalar',
                    645:                                'fname_choice' => 'scalar',
                    646:                                'mname_choice' => 'scalar',
                    647:                                'lname_choice' => 'scalar',
                    648:                                'gen_choice' => 'scalar',
                    649:                                'id_choice' => 'scalar',
                    650:                                'sec_choice' => 'scalar',
                    651:                                'ipwd_choice' => 'scalar',
                    652:                                'email_choice' => 'scalar',
                    653:                            });
                    654:     #
                    655:     # Determine kerberos parameters as appropriate
1.85      matthew   656:     my $defdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1.64      albertel  657:     my ($krbdef,$krbdefdom) =
                    658:         &Apache::loncommon::get_kerberos_defaults($defdom);
1.99      matthew   659:     #
1.50      matthew   660:     &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
1.24      albertel  661:     my $i;
                    662:     my $keyfields;
1.23      albertel  663:     if ($total>=0) {
1.99      matthew   664:         my @field=
                    665:             (['username',&mt('Username'),     $ENV{'form.username_choice'}],
                    666:              ['names',&mt('Last Name, First Names'),$ENV{'form.names_choice'}],
                    667:              ['fname',&mt('First Name'),      $ENV{'form.fname_choice'}],
                    668:              ['mname',&mt('Middle Names/Initials'),$ENV{'form.mname_choice'}],
                    669:              ['lname',&mt('Last Name'),       $ENV{'form.lname_choice'}],
                    670:              ['gen',  &mt('Generation'),      $ENV{'form.gen_choice'}],
                    671:              ['id',   &mt('ID/Student Number'),$ENV{'form.id_choice'}],
                    672:              ['sec',  &mt('Group/Section'),   $ENV{'form.sec_choice'}],
                    673:              ['ipwd', &mt('Initial Password'),$ENV{'form.ipwd_choice'}],
                    674:              ['email',&mt('EMail Address'),   $ENV{'form.email_choice'}]);
1.24      albertel  675: 	if ($ENV{'form.upfile_associate'} eq 'reverse') {	
                    676: 	    &Apache::loncommon::csv_print_samples($r,\@records);
1.90      matthew   677: 	    $i=&Apache::loncommon::csv_print_select_table($r,\@records,
                    678:                                                           \@field);
                    679: 	    foreach (@field) { 
                    680:                 $keyfields.=$_->[0].','; 
                    681:             }
1.24      albertel  682: 	    chop($keyfields);
                    683: 	} else {
1.90      matthew   684: 	    unshift(@field,['none','']);
                    685: 	    $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
                    686:                                                             \@field);
1.24      albertel  687: 	    my %sone=&Apache::loncommon::record_sep($records[0]);
                    688: 	    $keyfields=join(',',sort(keys(%sone)));
1.23      albertel  689: 	}
                    690:     }
1.50      matthew   691:     &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
1.10      www       692: }
                    693: 
1.90      matthew   694: ###############################################################
                    695: ###############################################################
1.12      www       696: sub enroll_single_student {
                    697:     my $r=shift;
1.80      matthew   698:     # Remove non alphanumeric values from section
                    699:     $ENV{'form.csec'}=~s/\W//g;
1.68      matthew   700:     #
                    701:     # We do the dates first because the action of making them the defaul
                    702:     # in the course is entirely seperate from the action of enrolling the
                    703:     # student.  Also, a failure in setting the dates as default is not fatal
                    704:     # to the process of enrolling / modifying a student.
                    705:     my ($startdate,$enddate) = &get_dates_from_form();
                    706:     if ($ENV{'form.makedatesdefault'}) {
                    707:         $r->print(&make_dates_default($startdate,$enddate));
                    708:     }
                    709: 
1.94      sakharuk  710:     $r->print('<h3>'.&mt('Enrolling Student').'</h3>');
                    711:     $r->print('<p>'.&mt('Enrolling').' '.$ENV{'form.cuname'}." \@ ".
1.34      matthew   712:               $ENV{'form.lcdomain'}.'</p>');
1.12      www       713:     if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
1.31      matthew   714:         ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) {
                    715:         # Deal with home server selection
                    716:         my $domain=$ENV{'form.lcdomain'};
                    717:         my $desiredhost = $ENV{'form.lcserver'};
                    718:         if (lc($desiredhost) eq 'default') {
                    719:             $desiredhost = undef;
                    720:         } else {
1.45      matthew   721:             my %home_servers =&Apache::loncommon::get_library_servers($domain);
1.31      matthew   722:             if (! exists($home_servers{$desiredhost})) {
1.94      sakharuk  723:                 $r->print('<font color="#ff0000">'.&mt('Error').':</font>'.
                    724:                           &mt('Invalid home server specified'));
1.31      matthew   725:                 return;
                    726:             }
                    727:         }
1.94      sakharuk  728:         $r->print(" ".&mt('with server')." $desiredhost :") if (defined($desiredhost));
1.31      matthew   729:         # End of home server selection logic
1.12      www       730: 	my $amode='';
                    731:         my $genpwd='';
                    732:         if ($ENV{'form.login'} eq 'krb') {
1.47      albertel  733:            $amode='krb';
                    734: 	   $amode.=$ENV{'form.krbver'};
1.28      matthew   735:            $genpwd=$ENV{'form.krbarg'};
1.12      www       736:         } elsif ($ENV{'form.login'} eq 'int') {
1.26      matthew   737:            $amode='internal';
1.28      matthew   738:            $genpwd=$ENV{'form.intarg'};
1.15      albertel  739:         }  elsif ($ENV{'form.login'} eq 'loc') {
                    740: 	    $amode='localauth';
                    741: 	    $genpwd=$ENV{'form.locarg'};
                    742: 	    if (!$genpwd) { $genpwd=" "; }
                    743: 	}
1.34      matthew   744:         my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},
                    745:                                                    $ENV{'form.lcdomain'});
                    746:         if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
1.55      matthew   747:             # Clean out any old roles the student has in this class.
1.33      matthew   748:             &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},
                    749:                            $ENV{'request.course.id'},$ENV{'form.csec'},
                    750:                             $desiredhost);
1.55      matthew   751:             my $login_result = &Apache::lonnet::modifystudent
                    752:                 ($ENV{'form.lcdomain'},$ENV{'form.cuname'},
                    753:                  $ENV{'form.cstid'},$amode,$genpwd,
                    754:                  $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
                    755:                  $ENV{'form.clast'},$ENV{'form.cgen'},
1.67      matthew   756:                  $ENV{'form.csec'},$enddate,
                    757:                  $startdate,$ENV{'form.forceid'},
1.55      matthew   758:                  $desiredhost);
                    759:             if ($login_result =~ /^ok/) {
                    760:                 $r->print($login_result);
1.94      sakharuk  761:                 $r->print("<p> ".&mt('If active, the new role will be available when the student next logs in to LON-CAPA.')."</p>");
1.55      matthew   762:             } else {
1.94      sakharuk  763:                 $r->print(&mt('unable to enroll').": ".$login_result);
1.55      matthew   764:             }
1.12      www       765: 	} else {
1.94      sakharuk  766:             $r->print('<p><font color="#ff0000">'.&mt('ERROR').'</font>&nbsp;');
1.79      matthew   767:             if ($amode =~ /^krb/) {
1.94      sakharuk  768:                 $r->print(&mt('Missing Kerberos domain information.').'  ');
1.79      matthew   769:             } else {
1.94      sakharuk  770:                 $r->print(&mt('Invalid login mode or password.').'  ');
1.79      matthew   771:             }
1.94      sakharuk  772:             $r->print('<b>'.&mt('Unable to enroll').' '.$ENV{'form.cuname'}.'.</b></p>');
1.79      matthew   773:         }
1.12      www       774:     } else {
1.94      sakharuk  775:         $r->print(&mt('Invalid username or domain'));
1.26      matthew   776:     }    
1.12      www       777: }
                    778: 
1.68      matthew   779: sub setup_date_selectors {
1.91      raeburn   780:     my ($starttime,$endtime,$mode) = @_;
1.68      matthew   781:     if (! defined($starttime)) {
                    782:         $starttime = time;
1.91      raeburn   783:         unless ($mode eq 'createcourse') {
                    784:             if (exists($ENV{'course.'.$ENV{'request.course.id'}.
1.68      matthew   785:                             '.default_enrollment_start_date'})) {
1.91      raeburn   786:                 $starttime = $ENV{'course.'.$ENV{'request.course.id'}.
1.68      matthew   787:                                   '.default_enrollment_start_date'};
1.91      raeburn   788:             }
1.68      matthew   789:         }
                    790:     }
                    791:     if (! defined($endtime)) {
                    792:         $endtime = time+(6*30*24*60*60); # 6 months from now, approx
1.91      raeburn   793:         unless ($mode eq 'createcourse') {
                    794:             if (exists($ENV{'course.'.$ENV{'request.course.id'}.
1.68      matthew   795:                             '.default_enrollment_end_date'})) {
1.91      raeburn   796:                 $endtime = $ENV{'course.'.$ENV{'request.course.id'}.
1.68      matthew   797:                                 '.default_enrollment_end_date'};
1.91      raeburn   798:             }
1.68      matthew   799:         }
                    800:     }
                    801:     my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
                    802:                                                             'startdate',
                    803:                                                             $starttime);
                    804:     my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
                    805:                                                           'enddate',
                    806:                                                           $endtime);
1.91      raeburn   807:     if ($mode eq 'createcourse') {
                    808:         $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
                    809:                                                             'startdate',
                    810:                                                             $starttime);
                    811:         $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
                    812:                                                           'enddate',
                    813:                                                           $endtime);
                    814:     }
1.68      matthew   815:     return ($startdateform,$enddateform);
                    816: }
                    817: 
                    818: sub get_dates_from_form {
                    819:     my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
                    820:     my $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate');
                    821:     if ($ENV{'form.no_end_date'}) {
                    822:         $enddate = 0;
                    823:     }
                    824:     return ($startdate,$enddate);
                    825: }
                    826: 
                    827: sub date_setting_table {
1.91      raeburn   828:     my ($starttime,$endtime,$mode) = @_;
                    829:     my ($startform,$endform)=&setup_date_selectors($starttime,$endtime,$mode);
1.68      matthew   830:     my $dateDefault = '<nobr>'.
1.94      sakharuk  831:         '<input type="checkbox" name="makedatesdefault" /> '.
                    832:         &mt('make these dates the default for future enrollment');
1.91      raeburn   833:     if ($mode eq 'createcourse') {
                    834:         $dateDefault = '&nbsp;';
                    835:     }
1.68      matthew   836:     my $perpetual = '<nobr><input type="checkbox" name="no_end_date"';
                    837:     if (defined($endtime) && $endtime == 0) {
                    838:         $perpetual .= ' checked';
                    839:     }
1.94      sakharuk  840:     $perpetual.= ' /> '.&mt('no ending date').'</nobr>';
1.68      matthew   841:     my $result = '';
                    842:     $result .= "<table>\n";
1.94      sakharuk  843:     $result .= '<tr><td align="right">'.&mt('Starting Date').'</td>'.
1.68      matthew   844:         '<td>'.$startform.'</td>'.
                    845:         '<td>'.$dateDefault.'</td>'."</tr>\n";
1.94      sakharuk  846:     $result .= '<tr><td align="right">'.&mt('Ending Date').'</td>'.
1.68      matthew   847:         '<td>'.$endform.'</td>'.
                    848:         '<td>'.$perpetual.'</td>'."</tr>\n";
                    849:     $result .= "</table>\n";
                    850:     return $result;
                    851: }
                    852: 
                    853: sub make_dates_default {
                    854:     my ($startdate,$enddate) = @_;
                    855:     my $result = '';
                    856:     my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
                    857:     my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
                    858:     my $put_result = &Apache::lonnet::put('environment',
                    859:             {'default_enrollment_start_date'=>$startdate,
                    860:              'default_enrollment_end_date'  =>$enddate},$dom,$crs);
                    861:     if ($put_result eq 'ok') {
                    862:         $result .= "Set default start and end dates for course<br />";
1.69      matthew   863:         #
                    864:         # Refresh the course environment
                    865:         &Apache::lonnet::coursedescription($ENV{'request.course.id'});
1.68      matthew   866:     } else {
1.94      sakharuk  867:         $result .= &mt('Unable to set default dates for course').":".$put_result.
1.68      matthew   868:             '<br />';
                    869:     }
                    870:     return $result;
                    871: }
                    872: 
1.74      matthew   873: ##
                    874: ## Single student enrollment routines (some of them)
                    875: ##
                    876: sub get_student_username_domain_form {
                    877:     my $r = shift;
                    878:     my $domform = &Apache::loncommon::select_dom_form
1.85      matthew   879:         ($ENV{'course.'.$ENV{'request.course.id'}.'.domain'},'cudomain',0);
1.94      sakharuk  880:     my %lt=&Apache::lonlocal::texthash(
                    881: 		    'eos'  => "Enroll One Student",
                    882: 		    'usr'  => "Username",
                    883:                     'dom'  => "Domain",
                    884:                     'been' => "Begin Enrollment",
                    885: 				       );
1.74      matthew   886:     $r->print(<<END);
                    887: <input type="hidden" name="action" value="enrollstudent" />
                    888: <input type="hidden" name="state"  value="gotusername" />
1.94      sakharuk  889: <h3>$lt{'eos'}</h3>
1.74      matthew   890: <table>
1.94      sakharuk  891: <tr><th>$lt{'usr'}:</th>
1.74      matthew   892:     <td><input type="text" name="cuname"  size="15" /></td></tr>
1.94      sakharuk  893: <tr><th>$lt{'dom'}:</th>
1.74      matthew   894:     <td>$domform</td></tr>
                    895: <tr><th>&nbsp;</th>
                    896:     <td>
1.94      sakharuk  897:     <input type="submit" name="Begin Enrollment" value="$lt{'been'}" />
1.74      matthew   898:     </td></tr>
                    899: </table>
                    900: END
                    901:     return;
                    902: }
                    903: 
1.50      matthew   904: sub print_enroll_single_student_form {
1.10      www       905:     my $r=shift;
1.94      sakharuk  906:     $r->print("<h3>".&mt('Enroll One Student')."</h3>");
1.74      matthew   907:     #
                    908:     my $username = $ENV{'form.cuname'};
                    909:     my $domain   = $ENV{'form.cudomain'};
                    910:     my $home = &Apache::lonnet::homeserver($username,$domain);
                    911:     # $new_user flags whether we are creating a new user or using an old one
                    912:     my $new_user = 1;
                    913:     if ($home ne 'no_host') {
                    914:         $new_user = 0;
                    915:     }
                    916:     #
                    917:     my $user_data_html = '';
                    918:     my $javascript_validations = '';
                    919:     if ($new_user) {
1.85      matthew   920:         my $defdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1.74      matthew   921:         # Set up authentication forms
                    922:         my ($krbdef,$krbdefdom) =
1.75      matthew   923:             &Apache::loncommon::get_kerberos_defaults($domain);
1.89      matthew   924:         $javascript_validations=&javascript_validations('auth',$krbdefdom);
1.74      matthew   925:         my %param = ( formname => 'document.studentform',
                    926:                       kerb_def_dom => $krbdefdom,
                    927:                       kerb_def_auth => $krbdef
                    928:                       );
                    929:         my $krbform = &Apache::loncommon::authform_kerberos(%param);
                    930:         my $intform = &Apache::loncommon::authform_internal(%param);
                    931:         my $locform = &Apache::loncommon::authform_local(%param);
                    932:         #
                    933:         # Set up domain selection form
                    934:         my $homeserver_form = '';
                    935:         my %servers = &Apache::loncommon::get_library_servers($domain);
                    936:         $homeserver_form = '<select name="lcserver" size="1">'."\n".
                    937:             '<option value="default" selected>default</option>'."\n";
                    938:         while (my ($servername,$serverdescription) = each (%servers)) {
                    939:             $homeserver_form .= '<option value="'.$servername.'">'.
                    940:                 $serverdescription."</option>\n";
                    941:         }
                    942:         $homeserver_form .= "</select>\n";
                    943:         #
                    944:         #
1.94      sakharuk  945: 	my %lt=&Apache::lonlocal::texthash(
                    946: 		       'udf'  => "User Data for",
                    947:                        'fn'   => "First Name",
                    948:                        'mn'   => "Middle Name",
                    949:                        'ln'   => "Last Name",
                    950:                        'gen'  => "Generation",
                    951:                        'hs'   => "Home Server",
                    952:                        'pswd' => "Password",
                    953: 		       'psam' => "Please select an authentication mechanism",
                    954: 					   );
1.74      matthew   955:         $user_data_html = <<END;
1.94      sakharuk  956: <h3>$lt{'udf'} $username\@$domain</h3>
1.74      matthew   957: <table>
1.94      sakharuk  958: <tr><th>$lt{'fn'}:</th>
1.74      matthew   959:     <td><input type="text" name="cfirst"  size="15"></td></tr>
1.94      sakharuk  960: <tr><th>$lt{'mn'}:</th>
1.74      matthew   961:     <td><input type="text" name="cmiddle" size="15"></td></tr>
1.94      sakharuk  962: <tr><th>$lt{'ln'}:</th>
1.74      matthew   963:     <td><input type="text" name="clast"   size="15"></td></tr>
1.94      sakharuk  964: <tr><th>$lt{'gen'}:</th>
1.74      matthew   965:     <td><input type="text" name="cgen"    size="5"> </td></tr>
1.94      sakharuk  966: <tr><th>$lt{'hs'}:</th>
1.74      matthew   967:     <td>$homeserver_form</td></tr>
                    968: </table>
1.94      sakharuk  969: <h3>$lt{'pswd'}</h3>
                    970: $lt{'psam'}
1.74      matthew   971: <table>
                    972: <p>
                    973: $krbform
1.75      matthew   974: <br />
1.74      matthew   975: $intform
1.75      matthew   976: <br />
1.74      matthew   977: $locform
                    978: </p>
                    979: END
                    980:     } else {
                    981:         # User already exists.  Do not worry about authentication
                    982:         my %uenv = &Apache::lonnet::dump('environment',$domain,$username);
1.89      matthew   983:         $javascript_validations = &javascript_validations('noauth');
1.94      sakharuk  984: 	my %lt=&Apache::lonlocal::texthash(
                    985: 		       'udf'  => "User Data for",
                    986:                        'fn'   => "First Name",
                    987:                        'mn'   => "Middle Name",
                    988:                        'ln'   => "Last Name",
                    989:                        'gen'  => "Generation",
                    990: 					   );
1.74      matthew   991:         $user_data_html = <<END;
1.94      sakharuk  992: <h3>$lt{'udf'} $username\@$domain</h3>
1.74      matthew   993: <input type="hidden" name="lcserver" value="default" />
                    994: <table>
1.94      sakharuk  995: <tr><th>$lt{'fn'}:</th>
1.74      matthew   996:     <td>
                    997:     <input type="text" name="cfirst" value="$uenv{'firstname'}" size="15" />
                    998:     </td></tr>
1.94      sakharuk  999: <tr><th>$lt{'mn'}:</th>
1.74      matthew  1000:     <td>
                   1001:     <input type="text" name="cmiddle" value="$uenv{'middlename'}" size="15" />
                   1002:     </td></tr>
1.94      sakharuk 1003: <tr><th>$lt{'ln'}:</th>
1.74      matthew  1004:     <td>
                   1005:     <input type="text" name="clast"value="$uenv{'lastname'}" size="15" />
                   1006:     </td></tr>
1.94      sakharuk 1007: <tr><th>$lt{'gen'}:</th>
1.74      matthew  1008:     <td>
                   1009:     <input type="text" name="cgen" value="$uenv{'generation'}" size="5" />
                   1010:     </td></tr>
                   1011: </table>
                   1012: END
                   1013:     }
1.68      matthew  1014:     my $date_table = &date_setting_table();
1.74      matthew  1015:         # Print it all out
1.94      sakharuk 1016:     my %lt=&Apache::lonlocal::texthash(
                   1017: 		   'cd'   => "Course Data",
                   1018:                    'gs'   => "Group/Section",
                   1019:                    'idsn' => "ID/Student Number",
                   1020:                    'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
                   1021:                    'eas'  => "Enroll as student",
                   1022: 				       );
1.50      matthew  1023:     $r->print(<<END);
1.74      matthew  1024: <input type="hidden" name="action" value="enrollstudent" />
                   1025: <input type="hidden" name="state"  value="done" />
                   1026: <input type="hidden" name="cuname" value="$username" />
                   1027: <input type="hidden" name="lcdomain" value="$domain" />
1.28      matthew  1028: <script type="text/javascript" language="Javascript">
1.12      www      1029: function verify(vf) {
                   1030:     var founduname=0;
                   1031:     var foundpwd=0;
                   1032:     var foundname=0;
                   1033:     var foundid=0;
                   1034:     var foundsec=0;
                   1035:     var tw;
1.26      matthew  1036:     if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') && 
1.31      matthew  1037: 	(typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
1.12      www      1038:         founduname=1;
                   1039:     }
1.14      harris41 1040:     if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
1.26      matthew  1041: 	(typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
1.12      www      1042:         foundname=1;
                   1043:     }
1.14      harris41 1044:     if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
1.12      www      1045:         foundsec=1;
                   1046:     }
1.14      harris41 1047:     if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
1.12      www      1048: 	foundid=1;
                   1049:     }
                   1050:     if (founduname==0) {
                   1051: 	alert('You need to specify at least the username and domain fields');
                   1052:         return;
                   1053:     }
1.24      albertel 1054:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
1.12      www      1055: }
                   1056: 
1.24      albertel 1057: $javascript_validations
1.12      www      1058: 
1.24      albertel 1059: function clearpwd(vf) {
                   1060:     //nothing else needs clearing
1.15      albertel 1061: }
                   1062: 
1.12      www      1063: </script>
1.11      www      1064: 
1.74      matthew  1065: $user_data_html
1.50      matthew  1066: 
1.94      sakharuk 1067: <h3>$lt{'cd'}</h3>
1.50      matthew  1068: 
1.94      sakharuk 1069: <p>$lt{'gs'}: <input type="text" name="csec" size="5" />
1.50      matthew  1070: <p>
1.68      matthew  1071: $date_table
1.50      matthew  1072: </p>
1.94      sakharuk 1073: <h3>$lt{'idsn'}</h3>
1.50      matthew  1074: <p>
1.94      sakharuk 1075: $lt{'idsn'}: <input type="text" name="cstid" size="10">
1.26      matthew  1076: </p><p>
                   1077: <input type="checkbox" name="forceid" value="yes"> 
1.94      sakharuk 1078: $lt{'disn'}
1.50      matthew  1079: </p><p>
1.94      sakharuk 1080: <input type="button" onClick="verify(this.form)" value="$lt{'eas'}">
1.26      matthew  1081: </p>
1.50      matthew  1082: END
                   1083:     return;
1.10      www      1084: }
                   1085: 
                   1086: # ========================================================= Menu Phase Two Drop
1.51      matthew  1087: sub print_drop_menu {
1.10      www      1088:     my $r=shift;
1.92      sakharuk 1089:     $r->print("<h3>".&mt('Drop Students')."</h3>");
1.11      www      1090:     my $cid=$ENV{'request.course.id'};
1.56      matthew  1091:     my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
                   1092:     if (! defined($classlist)) {
1.94      sakharuk 1093:         $r->print(&mt('There are no students currently enrolled.')."\n");
1.51      matthew  1094:         return;
1.25      matthew  1095:     }
1.51      matthew  1096:     # Print out the available choices
1.56      matthew  1097:     &show_drop_list($r,$classlist,$keylist);
1.51      matthew  1098:     return;
1.11      www      1099: }
                   1100: 
1.40      matthew  1101: # ============================================== view classlist
1.50      matthew  1102: sub print_html_classlist {
1.103   ! matthew  1103:     my ($r,$mode) = @_;
1.57      matthew  1104:     if (! exists($ENV{'form.sortby'})) {
                   1105:         $ENV{'form.sortby'} = 'username';
                   1106:     }
1.59      matthew  1107:     if ($ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1.57      matthew  1108:         $ENV{'form.Status'} = 'Active';
                   1109:     }
                   1110:     my $status_select = &Apache::lonhtmlcommon::StatusOptions
1.103   ! matthew  1111:         ($ENV{'form.Status'});
1.100     www      1112:     my $cid=$ENV{'request.course.id'};
                   1113:     my $cdom=$ENV{'course.'.$cid.'.domain'};
                   1114:     my $cnum=$ENV{'course.'.$cid.'.num'};
1.103   ! matthew  1115:     #
        !          1116:     # List course personnel
1.100     www      1117:     my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
1.103   ! matthew  1118:     $r->print('<br /><table border="2">');
1.100     www      1119:     foreach (sort keys %coursepersonnel) {
                   1120: 	$r->print('<tr><td>'.$_.'</td><td>');
                   1121:         foreach (split(/\,/,$coursepersonnel{$_})) {
                   1122: 	    my ($puname,$pudom)=split(/\:/,$_);
                   1123: 	    $r->print(' '.&Apache::loncommon::aboutmewrapper(
                   1124:                           &Apache::loncommon::plainname($puname,
                   1125:                           $pudom),$puname,$pudom));
                   1126: 	}
                   1127:         $r->print('</td></tr>');
                   1128:     }
                   1129:     $r->print('</table>');
1.103   ! matthew  1130:     #
        !          1131:     # Interface output
1.94      sakharuk 1132:     my $CCL=&mt('Current Class List');
1.103   ! matthew  1133:     $r->print('<input type="hidden" name="action" value="'.
        !          1134:               $ENV{'form.action'}.'" />');
        !          1135:     $r->print("<p>\n");
1.59      matthew  1136:     if ($ENV{'form.action'} ne 'modifystudent') {
1.103   ! matthew  1137: 	my %lt=&Apache::lonlocal::texthash('csv' => "CSV",
        !          1138:                                            'excel' => "Excel",
        !          1139:                                            'html'  => 'HTML');
        !          1140:         $r->print('<font size="+1">');
        !          1141:         my $output_selector = '<select size="1" name="state" >';
        !          1142:         if ($ENV{'form.state'} !~ /^(csv|excel|html)$/ ) {
        !          1143:             $ENV{'form.state'} = 'html';
        !          1144:         }
        !          1145:         foreach my $outputformat ('html','csv','excel') {
        !          1146:             my $option = '<option value="'.$outputformat.'" ';
        !          1147:             if ($outputformat eq $ENV{'form.state'}) {
        !          1148:                 $option .= 'checked ';
        !          1149:             }
        !          1150:             $option .='>'.$lt{$outputformat}.'</option>';
        !          1151:             $output_selector .= "\n".$option;
        !          1152:         }
        !          1153:         $output_selector .= '</select>';
        !          1154:         $r->print(&mt('Output Format: [_1]',$output_selector).('&nbsp;'x3));
1.59      matthew  1155:     }
1.103   ! matthew  1156:     $r->print(&mt('Student Status: [_1]',$status_select)."\n");
        !          1157:     $r->print('<input type="submit" value="'.&mt('Refresh Display').'" />'."\n</p>\n");
        !          1158: 
        !          1159:     #
        !          1160:     # Print the classlist
        !          1161:     $r->print('<h2>'.&mt('Current Class List').'</h2>');
1.56      matthew  1162:     my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
                   1163:     if (! defined($classlist)) {
1.94      sakharuk 1164:         $r->print(&mt('There are no students currently enrolled.')."\n");
1.40      matthew  1165:     } else {
                   1166:         # Print out the available choices
1.50      matthew  1167:         if ($ENV{'form.action'} eq 'modifystudent') {
1.53      matthew  1168:             &show_class_list($r,'view','modify','modifystudent',
1.57      matthew  1169:                              $ENV{'form.Status'},$classlist,$keylist);
1.103   ! matthew  1170:         } elsif (! defined($mode) || $mode eq '') {
1.53      matthew  1171:             &show_class_list($r,'view','aboutme','classlist',
1.57      matthew  1172:                              $ENV{'form.Status'},$classlist,$keylist);
1.103   ! matthew  1173:         } elsif ($mode eq 'csv' || $mode eq 'excel') {
        !          1174:             &show_class_list($r,$mode,'nolink','csv',
        !          1175:                              $ENV{'form.Status'},$classlist,$keylist);
1.50      matthew  1176:         }
1.41      matthew  1177:     }
                   1178: }
                   1179: 
1.40      matthew  1180: # =================================================== Show student list to drop
                   1181: sub show_class_list {
1.56      matthew  1182:     my ($r,$mode,$linkto,$action,$statusmode,$classlist,$keylist)=@_;
1.40      matthew  1183:     my $cid=$ENV{'request.course.id'};
1.60      matthew  1184:     #
                   1185:     # Variables for excel output
                   1186:     my ($excel_workbook, $excel_sheet, $excel_filename,$row);
                   1187:     #
1.103   ! matthew  1188:     # Variables for csv output
        !          1189:     my ($CSVfile,$CSVfilename);
        !          1190:     #
1.53      matthew  1191:     my $sortby = $ENV{'form.sortby'};
                   1192:     if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
                   1193:         $sortby = 'username';
                   1194:     }
1.42      matthew  1195:     # Print out header 
1.103   ! matthew  1196:     $r->print(<<END);
        !          1197: <input type="hidden" name="sortby" value="$sortby" />
        !          1198: <input type="hidden" name="sname"  value="" />
        !          1199: <input type="hidden" name="sdom"   value="" />
        !          1200: END
1.41      matthew  1201:     if ($mode eq 'view') {
1.50      matthew  1202:         if ($linkto eq 'aboutme') {
1.94      sakharuk 1203:             $r->print(&mt('Select a user name to view the users personal page.'));
1.50      matthew  1204:         } elsif ($linkto eq 'modify') {
1.94      sakharuk 1205:             $r->print(&mt('Select a user name to modify the students information'));
1.50      matthew  1206:         }
1.94      sakharuk 1207: 	my %lt=&Apache::lonlocal::texthash(
                   1208: 	               'usrn'   => "username",
                   1209:                        'dom'    => "domain",
                   1210:                        'sn'     => "student name",
                   1211:                        'sec'    => "section",
                   1212: 					   );
1.41      matthew  1213:         $r->print(<<END);
1.59      matthew  1214: 
1.53      matthew  1215: <input type="hidden" name="sortby" value="$sortby" />
1.59      matthew  1216: <input type="hidden" name="sname"  value="" />
                   1217: <input type="hidden" name="sdom"   value="" />
1.40      matthew  1218: <p>
                   1219: <table border=2>
1.53      matthew  1220: <tr><th>
1.94      sakharuk 1221:        <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">$lt{'usrn'}</a>
1.53      matthew  1222:     </th><th>
1.94      sakharuk 1223:        <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">$lt{'dom'}</a>
1.53      matthew  1224:     </th><th>
1.57      matthew  1225:        <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
1.53      matthew  1226:     </th><th>
1.94      sakharuk 1227:        <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">$lt{'sn'}</a>
1.53      matthew  1228:     </th><th>
1.94      sakharuk 1229:        <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">$lt{'sec'}</a>
1.53      matthew  1230:     </th>
                   1231: </tr>
1.40      matthew  1232: END
1.41      matthew  1233:     } elsif ($mode eq 'csv') {
1.103   ! matthew  1234: 	#
        !          1235: 	# Open a file
        !          1236: 	$CSVfilename = '/prtspool/'.
        !          1237: 	    $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
        !          1238:             time.'_'.rand(1000000000).'.csv';
        !          1239: 	unless ($CSVfile = Apache::File->new('>/home/httpd'.$CSVfilename)) {
        !          1240: 	    $r->log_error("Couldn't open $CSVfilename for output $!");
        !          1241: 	    $r->print("Problems occured in writing the csv file.  ".
        !          1242: 		      "This error has been logged.  ".
        !          1243: 		      "Please alert your LON-CAPA administrator.");
        !          1244: 	    $CSVfile = undef;
        !          1245: 	}
        !          1246: 	#
        !          1247: 	# Write headers and data to file
1.58      matthew  1248:         if($statusmode eq 'Expired') {
1.103   ! matthew  1249:             print $CSVfile '"'.&mt('Students with expired roles').'"'."\n";
1.58      matthew  1250:         }
                   1251:         if ($statusmode eq 'Any') {
1.103   ! matthew  1252:             print $CSVfile '"'.join('","',map {
        !          1253: 		&Apache::loncommon::csv_translate(&mt($_))
        !          1254:                 } ("username","domain","ID","student name",
        !          1255:                    "section","status")).'"'."\n";
1.58      matthew  1256:         } else {
1.103   ! matthew  1257:             print $CSVfile '"'.join('","',map {
        !          1258: 		&Apache::loncommon::csv_translate(&mt($_))
        !          1259:                 } ("username","domain","ID","student name",
        !          1260:                    "section")).'"'."\n";
1.58      matthew  1261:         }
1.60      matthew  1262:     } elsif ($mode eq 'excel') {
                   1263:         # Create the excel spreadsheet
                   1264:         $excel_filename = '/prtspool/'.
                   1265:             $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
                   1266:                 time.'_'.rand(1000000000).'.xls';
                   1267:         $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.
                   1268:                                                        $excel_filename);
                   1269:         $excel_workbook->set_tempdir('/home/httpd/perl/tmp');
                   1270:         $excel_sheet = $excel_workbook->addworksheet('classlist');
                   1271:         #
1.76      albertel 1272:         my $description = 'Class List for '.
1.60      matthew  1273:             $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
                   1274:         $excel_sheet->write($row++,0,$description);
                   1275:         #
                   1276:         $excel_sheet->write($row++,0,["username","domain","ID",
                   1277:                                       "student name","section","status"]);
1.41      matthew  1278:     }
1.56      matthew  1279:     #
                   1280:     # Sort the students
                   1281:     my %index;
                   1282:     my $i;
                   1283:     foreach (@$keylist) {
                   1284:         $index{$_} = $i++;
                   1285:     }
                   1286:     my $index  = $index{$sortby};
                   1287:     my $second = $index{'username'};
                   1288:     my $third  = $index{'domain'};
1.53      matthew  1289:     my @Sorted_Students = sort {
1.56      matthew  1290:         lc($classlist->{$a}->[$index])  cmp lc($classlist->{$b}->[$index])
                   1291:             ||
                   1292:         lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
                   1293:             ||
                   1294:         lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
                   1295:         } (keys(%$classlist));
1.53      matthew  1296:     foreach my $student (@Sorted_Students) {
1.56      matthew  1297:         my $username = $classlist->{$student}->[$index{'username'}];
                   1298:         my $domain   = $classlist->{$student}->[$index{'domain'}];
                   1299:         my $section  = $classlist->{$student}->[$index{'section'}];
                   1300:         my $name     = $classlist->{$student}->[$index{'fullname'}];
                   1301:         my $id       = $classlist->{$student}->[$index{'id'}];
                   1302:         my $status   = $classlist->{$student}->[$index{'status'}];
1.57      matthew  1303:         next if (($statusmode ne 'Any') && ($status ne $statusmode));
1.51      matthew  1304:         if ($mode eq 'view') {
                   1305:             $r->print("<tr>\n    <td>\n        ");
                   1306:             if ($linkto eq 'nothing') {
                   1307:                 $r->print($username);
                   1308:             } elsif ($linkto eq 'aboutme') {
                   1309:                 $r->print(&Apache::loncommon::aboutmewrapper($username,
                   1310:                                                              $username,
                   1311:                                                              $domain));
                   1312:             } elsif ($linkto eq 'modify') {
1.59      matthew  1313:                 $r->print('<a href="'.
                   1314:                           "javascript:document.studentform.sname.value='".
                   1315:                           $username.
                   1316:                           "';document.studentform.sdom.value='".$domain.
                   1317:                           "';document.studentform.state.value='selected".
                   1318:                           "';document.studentform.submit();".'">'.
1.53      matthew  1319:                           $username."</a>\n");
1.50      matthew  1320:             }
1.51      matthew  1321:             $r->print(<<"END");
1.50      matthew  1322:     </td>
1.51      matthew  1323:     <td>$domain</td>
                   1324:     <td>$id</td>
                   1325:     <td>$name</td>
                   1326:     <td>$section</td>
1.40      matthew  1327: </tr>
                   1328: END
1.51      matthew  1329:         } elsif ($mode eq 'csv') {
1.103   ! matthew  1330:             next if (! defined($CSVfile));
1.51      matthew  1331:             # no need to bother with $linkto
                   1332:             my @line = ();
                   1333:             foreach ($username,$domain,$id,$name,$section) {
                   1334:                 push @line,&Apache::loncommon::csv_translate($_);
1.58      matthew  1335:             }
                   1336:             if ($statusmode eq 'Any') {
                   1337:                 push @line,&Apache::loncommon::csv_translate($status);
1.41      matthew  1338:             }
1.103   ! matthew  1339:             print $CSVfile '"'.join('","',@line).'"'."\n";
1.60      matthew  1340:         } elsif ($mode eq 'excel') {
                   1341:             $excel_sheet->write($row++,0,[$username,$domain,$id,
                   1342:                                           $name,$section,$status]);
1.40      matthew  1343:         }
                   1344:     }
1.60      matthew  1345:     if ($mode eq 'view') {
                   1346:         $r->print('</table><br>');
                   1347:     } elsif ($mode eq 'excel') {
                   1348:         $excel_workbook->close();
                   1349:         $r->print('<p><a href="'.$excel_filename.'">'.
1.94      sakharuk 1350:                   &mt('Your Excel spreadsheet').'</a> '.&mt('is ready for download').'.</p>'."\n");
1.103   ! matthew  1351:     } elsif ($mode eq 'csv') {
        !          1352:         close($CSVfile);
        !          1353:         $r->print('<a href="'.$CSVfilename.'">'.
        !          1354:                   &mt('Your CSV file').'</a> is ready for download.'.
        !          1355:                   "\n");
        !          1356:         $r->rflush();
1.60      matthew  1357:     }
1.40      matthew  1358: }
                   1359: 
1.50      matthew  1360: 
                   1361: #
                   1362: # print out form for modification of a single students data
                   1363: #
                   1364: sub print_modify_student_form {
                   1365:     my $r = shift();
                   1366:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.59      matthew  1367:                                             ['sdom','sname']);    
1.53      matthew  1368:     my $sname  = $ENV{'form.sname'};
                   1369:     my $sdom   = $ENV{'form.sdom'};
                   1370:     my $sortby = $ENV{'form.sortby'};
1.50      matthew  1371:     # determine the students name information
                   1372:     my %info=&Apache::lonnet::get('environment',
                   1373:                                   ['firstname','middlename',
1.52      matthew  1374:                                    'lastname','generation','id'],
1.50      matthew  1375:                                   $sdom, $sname);
                   1376:     my ($tmp) = keys(%info);
                   1377:     if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1.94      sakharuk 1378:         $r->print('<font color="#ff0000" size="+2">'.&mt('Error').'</font>'.
1.50      matthew  1379:                   '<p>'.
1.94      sakharuk 1380:                   &mt('Unable to retrieve environment data for').' '.$sname.
                   1381:                   &mt('in domain').' '.$sdom.'</p><p>'.
                   1382:                   &mt('Please contact your LON-CAPA administrator regarding this situation.').'</p></body></html>');
1.50      matthew  1383:         return;
                   1384:     }
                   1385:     # determine the students starting and ending times and section
                   1386:     my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
1.87      matthew  1387:     if ($starttime =~ /^error/) {
1.94      sakharuk 1388:         $r->print('<h2>'&mt('Error').'</h2>');
1.87      matthew  1389:         $r->print('<p>'.$starttime.'</p>');
                   1390:         return;
                   1391:     }
1.101     matthew  1392:     #
1.50      matthew  1393:     # Deal with date forms
1.101     matthew  1394:     my $current_date_description = '';
                   1395:     my $textdate = '';
                   1396: 
                   1397:     if (! defined($starttime) || $starttime == 0) {
                   1398:         $current_date_description = &mt('Current Starting Date: not set').
                   1399:             '<br />';
                   1400:     } else {
                   1401:         $current_date_description = 
                   1402:             &mt('Current Starting Date: [_1]',
                   1403:                 &Apache::lonlocal::locallocaltime($starttime)).'<br />';
                   1404:     }
                   1405:     if (! defined($endtime) || $endtime == 0) {
                   1406:         $current_date_description.= &mt('Current Ending Date: not set').
                   1407:             '<br />';
                   1408:     } else {
                   1409:         $current_date_description.= 
                   1410:             &mt('Current Ending Date: [_1]',
                   1411:                 &Apache::lonlocal::locallocaltime($endtime)).'<br />';
                   1412: 
                   1413:     }
1.68      matthew  1414:     my $date_table = &date_setting_table($starttime,$endtime);
1.59      matthew  1415:     #
                   1416:     if (! exists($ENV{'form.Status'}) || 
                   1417:         $ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
                   1418:         $ENV{'form.Status'} = 'crap';
                   1419:     }
1.94      sakharuk 1420:     # Make sure student is enrolled in course
                   1421:     my %lt=&Apache::lonlocal::texthash(
                   1422: 	           'mef'   => "Modify Enrollment for",
                   1423:                    'odcc'  => "Only domain coordinators can change a users password.",
                   1424:                    'sn'    => "Student Name",
                   1425:                    'fn'    => "First",
                   1426:                    'mn'    => "Middle",
                   1427:                    'ln'    => "Last",
                   1428:                    'gen'   => "Generation",
                   1429:                    'sid'   => "Student ID",
                   1430:                    'disn'  => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
                   1431:                    'sec'   => "Section",
                   1432:                    'sm'    => "Submit Modifications",
                   1433: 				       );
1.50      matthew  1434:     $r->print(<<END);
1.52      matthew  1435: <p>
                   1436: <font size="+1">
1.94      sakharuk 1437: $lt{'odcc'}
1.52      matthew  1438: </font>
                   1439: </p>
1.50      matthew  1440: <input type="hidden" name="slogin"  value="$sname"  />
                   1441: <input type="hidden" name="sdomain" value="$sdom" />
                   1442: <input type="hidden" name="action"  value="modifystudent" />
1.53      matthew  1443: <input type="hidden" name="state"   value="done" />
                   1444: <input type="hidden" name="sortby"  value="$sortby" />
1.59      matthew  1445: <input type="hidden" name="Status"  value="$ENV{'form.Status'}" />
1.94      sakharuk 1446: <h2>$lt{'mef'} $info{'firstname'} $info{'middlename'} 
1.50      matthew  1447: $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2>
                   1448: <p>
1.94      sakharuk 1449: <b>$lt{'sn'}</b>
1.50      matthew  1450: <table>
1.94      sakharuk 1451: <tr><th>$lt{'fn'}</th><th>$lt{'mn'}</th><th>$lt{'ln'}</th><th>$lt{'gen'}</th></tr>
1.50      matthew  1452: <tr><td>
                   1453: <input type="text" name="firstname"  value="$info{'firstname'}"  /></td><td>
                   1454: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
                   1455: <input type="text" name="lastname"   value="$info{'lastname'}"   /></td><td>
                   1456: <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
                   1457: </table>
                   1458: </p><p>
1.94      sakharuk 1459: <b>$lt{'sid'}</b>: <input type="text" name="id" value="$info{'id'}" size="12"/>
1.52      matthew  1460: </p><p>
1.53      matthew  1461: <input type="checkbox" name="forceid" > 
1.94      sakharuk 1462: $lt{'disn'}
1.53      matthew  1463: </p><p>
1.101     matthew  1464: <b>$lt{'sec'}</b>: <input type="text" name="section" value="$section" size="14"/>
1.50      matthew  1465: </p>
1.101     matthew  1466: <p>$current_date_description</p>
1.68      matthew  1467: <p>$date_table</p>
1.94      sakharuk 1468: <input type="submit" value="$lt{'sm'}" />
1.50      matthew  1469: </body></html>
                   1470: END
                   1471:     return;
                   1472: }
                   1473: 
                   1474: #
                   1475: # modify a single students section 
                   1476: #
                   1477: sub modify_single_student {
                   1478:     my $r = shift;
1.68      matthew  1479:     #
1.80      matthew  1480:     # Remove non alphanumeric values from the section
                   1481:     $ENV{'form.section'} =~ s/\W//g;
1.77      matthew  1482:     #
1.68      matthew  1483:     # Do the date defaults first
                   1484:     my ($starttime,$endtime) = &get_dates_from_form();
                   1485:     if ($ENV{'form.makedatesdefault'}) {
                   1486:         $r->print(&make_dates_default($starttime,$endtime));
                   1487:     }
1.59      matthew  1488:     # Get the 'sortby' and 'Status' variables so the user goes back to their
                   1489:     # previous screen
1.53      matthew  1490:     my $sortby = $ENV{'form.sortby'};
1.59      matthew  1491:     my $status = $ENV{'form.Status'};
1.53      matthew  1492:     #
                   1493:     # We always need this information
                   1494:     my $slogin     = $ENV{'form.slogin'};
                   1495:     my $sdom       = $ENV{'form.sdomain'};
                   1496:     #
                   1497:     # Get the old data
                   1498:     my %old=&Apache::lonnet::get('environment',
                   1499:                                  ['firstname','middlename',
                   1500:                                   'lastname','generation','id'],
                   1501:                                  $sdom, $slogin);
1.59      matthew  1502:     $old{'section'} = &Apache::lonnet::getsection($sdom,$slogin,
                   1503:                                                   $ENV{'request.course.id'});
1.53      matthew  1504:     my ($tmp) = keys(%old);
                   1505:     if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1.94      sakharuk 1506:         $r->print(&mt('There was an error determining the environment values for')." $slogin \@ $sdom.");
1.53      matthew  1507:         return;
                   1508:     }
                   1509:     undef $tmp;
                   1510:     #
                   1511:     # Get the new data
1.50      matthew  1512:     my $firstname  = $ENV{'form.firstname'};
                   1513:     my $middlename = $ENV{'form.middlename'};
                   1514:     my $lastname   = $ENV{'form.lastname'};
                   1515:     my $generation = $ENV{'form.generation'};
                   1516:     my $section    = $ENV{'form.section'};
                   1517:     my $courseid   = $ENV{'request.course.id'};
1.52      matthew  1518:     my $sid        = $ENV{'form.id'};
1.50      matthew  1519:     my $displayable_starttime = localtime($starttime);
                   1520:     my $displayable_endtime   = localtime($endtime);
1.53      matthew  1521:     # 
                   1522:     # check for forceid override
1.63      matthew  1523:     if ((defined($old{'id'})) && ($old{'id'} ne '') && 
                   1524:         ($sid ne $old{'id'}) && (! exists($ENV{'form.forceid'}))) {
1.94      sakharuk 1525:         $r->print("<font color=\"ff0000\">".&mt('You changed the students id but did not disable the ID change safeguard. The students id will not be changed.')."</font>");
1.53      matthew  1526:         $sid = $old{'id'};
                   1527:     }
                   1528:     #
1.50      matthew  1529:     # talk to the user about what we are going to do
1.94      sakharuk 1530:     my %lt=&Apache::lonlocal::texthash(
                   1531: 	           'mdu'   => "Modifying data for user",
                   1532:                    'si'    => "Student Information",
                   1533:                    'fd'    => "Field",
                   1534:                    'ov'    => "Old Value",
                   1535:                    'nv'    => "New Value",
                   1536:                    'fn'    => "First name",
                   1537:                    'mn'    => "Middle name",
                   1538:                    'ln'    => "Last name",
                   1539:                    'gen'   => "Generation",
                   1540:                    'sec'   => "Section",
                   1541:                    'ri'    => "Role Information",
                   1542:                    'st'    => "Start Time",
                   1543:                    'et'    => "End Time",
                   1544: 				       );
1.50      matthew  1545:     $r->print(<<END);
1.94      sakharuk 1546:     <h2>$lt{'mdu'} $slogin \@ $sdom </h2>
                   1547: <h3>$lt{'si'}</h3>
1.53      matthew  1548: <table rules="rows" border="1" cellpadding="3" >
                   1549: <tr>
1.94      sakharuk 1550:     <th> $lt{'fd'} </th>
                   1551:     <th> $lt{'ov'} </th>
                   1552:     <th> $lt{'nv'} </th>
1.53      matthew  1553: </tr>
                   1554: <tr>
1.94      sakharuk 1555:     <td> <b>$lt{'fn'}</b> </td>
1.53      matthew  1556:     <td> $old{'firstname'} </td>
                   1557:     <td> $firstname </td>
                   1558: </tr><tr>
1.94      sakharuk 1559:     <td> <b>$lt{'mn'}</b> </td>
1.53      matthew  1560:     <td> $old{'middlename'} </td>
                   1561:     <td> $middlename </td>
                   1562: </tr><tr>
1.94      sakharuk 1563:     <td> <b>$lt{'ln'}</b> </td>
1.53      matthew  1564:     <td> $old{'lastname'} </td>
                   1565:     <td> $lastname </td>
                   1566: </tr><tr>
1.94      sakharuk 1567:     <td> <b>$lt{'gen'}</b> </td>
1.53      matthew  1568:     <td> $old{'generation'} </td>
                   1569:     <td> $generation </td>
                   1570: </tr><tr>
                   1571:     <td> <b>ID</b> </td>
                   1572:     <td> $old{'id'} </td>
                   1573:     <td> $sid </td>
1.59      matthew  1574: </tr><tr>
1.94      sakharuk 1575:     <td> <b>$lt{'sec'}</b> </td>
1.59      matthew  1576:     <td> $old{'section'} </td>
                   1577:     <td> $section</td>
1.53      matthew  1578: </tr>
1.50      matthew  1579: </table>
1.94      sakharuk 1580: <h3>$lt{'ri'}</h3>
1.50      matthew  1581: <table>
1.94      sakharuk 1582: <tr><td align="right"><b>$lt{'st'}:</b></td><td> $displayable_starttime </td></tr>
                   1583: <tr><td align="right"><b>$lt{'et'}:</b></td><td> $displayable_endtime   </td></tr>
1.50      matthew  1584: </table>
1.52      matthew  1585: <p>
1.50      matthew  1586: END
1.53      matthew  1587:     #
1.63      matthew  1588:     # Send request(s) to modify data (final undef is for 'desiredhost',
                   1589:     # which is a moot point because the student already has an account.
                   1590:     my $modify_section_results = &modifystudent($sdom,$slogin,
                   1591:                                                 $ENV{'request.course.id'},
                   1592:                                                 $section,undef);
                   1593:     if ($modify_section_results !~ /^ok/) {
1.94      sakharuk 1594:         $r->print(&mt('An error occured during the attempt to change the section for this student.')."<br />");
1.63      matthew  1595:     }
1.52      matthew  1596:     my $roleresults = &Apache::lonnet::modifystudent
1.53      matthew  1597:         ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
                   1598:          $generation,$section,$endtime,$starttime,$ENV{'form.forceid'});
                   1599:     if ($roleresults eq 'refused' ) {
1.94      sakharuk 1600:         $r->print(&mt('Your request to change the role information for this student was refused. You do not appear to have sufficient authority to change student information.'));
1.50      matthew  1601:     } elsif ($roleresults !~ /ok/) {
1.94      sakharuk 1602:         $r->print(&mt('An error occurred during the attempt to change the role information for this student.')."  <br />".
                   1603:                   &mt('The error reported was')." ".
1.50      matthew  1604:                   $roleresults);
1.53      matthew  1605:         &Apache::lonnet::logthis("londropadd:failed attempt to modify student".
                   1606:                                  " data for ".$slogin." \@ ".$sdom." by ".
                   1607:                                  $ENV{'user.name'}." \@ ".$ENV{'user.domain'}.
                   1608:                                  ":".$roleresults);
1.50      matthew  1609:     } else { # everything is okay!
1.94      sakharuk 1610:         $r->print(&mt('Student information updated successfully.')." <br />".
                   1611:                   &mt('The student must log out and log in again to see these changes.'));
1.50      matthew  1612:     }
1.94      sakharuk 1613:     my $Masd=&mt('Modify another students data');
1.50      matthew  1614:     $r->print(<<END);
1.52      matthew  1615: </p><p>
1.59      matthew  1616: <input type="hidden" name="action" value="modifystudent" />
                   1617: <input type="hidden" name="sortby" value="$sortby" />
                   1618: <input type="hidden" name="Status" value="$status" />
1.94      sakharuk 1619: <a href="javascript:document.studentform.submit();">$Masd</a>
1.50      matthew  1620: </body></html>
                   1621: END
                   1622:     return;
                   1623: }
                   1624: 
                   1625: sub get_enrollment_data {
                   1626:     my ($sname,$sdomain) = @_;
                   1627:     my $courseid = $ENV{'request.course.id'};
                   1628:     $courseid =~ s:_:/:g;
                   1629:     my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
                   1630:     my ($tmp) = keys(%roles);
                   1631:     # Bail out if we were unable to get the students roles
1.87      matthew  1632:     return ('error'.$tmp) if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1.50      matthew  1633:     # Go through the roles looking for enrollment in this course
                   1634:     my ($end,$start) = (undef,undef);
                   1635:     my $section = '';
                   1636:     my $count = scalar(keys(%roles));
                   1637:     while (my ($course,$role) = each(%roles)) {
                   1638:         if ($course=~ /^\/$courseid\/*\s*(\w+)*_st$/ ) {
                   1639:             #
                   1640:             # Get active role
                   1641:             $section=$1;
                   1642:             (undef,$end,$start)=split(/\_/,$role);
                   1643:             my $now=time;
                   1644:             my $notactive=0;
                   1645:             if ($start) {
                   1646:                 if ($now<$start) { $notactive=1; }
                   1647:             }
                   1648:             if ($end) {
                   1649:                 if ($now>$end) { $notactive=1; }
                   1650:             } 
                   1651:             unless ($notactive) { return ($start,$end,$section); }
                   1652:         }
                   1653:     }
                   1654:     return ($start,$end,$section);
                   1655: }
                   1656: 
1.56      matthew  1657: #################################################
                   1658: #################################################
                   1659: 
                   1660: =pod
                   1661: 
                   1662: =item show_drop_list
                   1663: 
                   1664: Display a list of students to drop
                   1665: Inputs: 
                   1666: 
                   1667: =over 4
                   1668: 
                   1669: =item $r, Apache request
                   1670: 
                   1671: =item $classlist, hash pointer returned from loncoursedata::get_classlist();
                   1672: 
                   1673: =item $keylist, array pointer returned from loncoursedata::get_classlist() 
                   1674: which describes the order elements are stored in the %$classlist values.
                   1675: 
                   1676: =item $nosort, if true, sorting links are omitted.
                   1677: 
                   1678: =back
                   1679: 
                   1680: =cut
                   1681: 
                   1682: #################################################
                   1683: #################################################
1.11      www      1684: sub show_drop_list {
1.56      matthew  1685:     my ($r,$classlist,$keylist,$nosort)=@_;
1.11      www      1686:     my $cid=$ENV{'request.course.id'};
1.59      matthew  1687:     if (! exists($ENV{'form.sortby'})) {
                   1688:         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                   1689:                                                 ['sortby']);
                   1690:     }
1.54      matthew  1691:     my $sortby = $ENV{'form.sortby'};
                   1692:     if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
                   1693:         $sortby = 'username';
                   1694:     }
1.56      matthew  1695:     #
1.54      matthew  1696:     my $action = "drop";
                   1697:     $r->print(<<END);
                   1698: <input type="hidden" name="sortby" value="$sortby" />
                   1699: <input type="hidden" name="action" value="$action" />
1.50      matthew  1700: <input type="hidden" name="state"  value="done" />
1.32      matthew  1701: <script>
1.51      matthew  1702: function checkAll(field) {
1.32      matthew  1703:     for (i = 0; i < field.length; i++)
                   1704:         field[i].checked = true ;
                   1705: }
                   1706: 
1.51      matthew  1707: function uncheckAll(field) {
1.32      matthew  1708:     for (i = 0; i < field.length; i++)
                   1709:         field[i].checked = false ;
                   1710: }
                   1711: </script>
                   1712: <p>
1.26      matthew  1713: <input type="hidden" name="phase" value="four">
1.56      matthew  1714: END
                   1715: 
                   1716:     if ($nosort) {
1.94      sakharuk 1717: 	my %lt=&Apache::lonlocal::texthash(
                   1718: 	               'usrn'   => "username",
                   1719:                        'dom'    => "domain",
                   1720:                        'sn'     => "student name",
                   1721:                        'sec'    => "section",
                   1722: 					   );
1.56      matthew  1723:         $r->print(<<END);
                   1724: <table border=2>
                   1725: <tr>
                   1726:     <th>&nbsp;</th>
1.94      sakharuk 1727:     <th>$lt{'usrn'}</th>
                   1728:     <th>$lt{'dom'}</th>
1.56      matthew  1729:     <th>ID</th>
1.94      sakharuk 1730:     <th>$lt{'sn'}</th>
                   1731:     <th>$lt{'sec'}</th>
1.56      matthew  1732: </tr>
                   1733: END
                   1734: 
                   1735:     } else  {
1.94      sakharuk 1736: 	my %lt=&Apache::lonlocal::texthash(
                   1737: 	               'usrn'   => "username",
                   1738:                        'dom'    => "domain",
                   1739:                        'sn'     => "student name",
                   1740:                        'sec'    => "section",
                   1741: 					   );
1.56      matthew  1742:         $r->print(<<END);
1.26      matthew  1743: <table border=2>
1.54      matthew  1744: <tr><th>&nbsp;</th>
                   1745:     <th>
1.94      sakharuk 1746:        <a href="/adm/dropadd?action=$action&sortby=username">$lt{'usrn'}</a>
1.54      matthew  1747:     </th><th>
1.94      sakharuk 1748:        <a href="/adm/dropadd?action=$action&sortby=domain">$lt{'dom'}</a>
1.54      matthew  1749:     </th><th>
                   1750:        <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
                   1751:     </th><th>
1.94      sakharuk 1752:        <a href="/adm/dropadd?action=$action&sortby=fullname">$lt{'sn'}</a>
1.54      matthew  1753:     </th><th>
1.94      sakharuk 1754:        <a href="/adm/dropadd?action=$action&sortby=section">$lt{'sec'}</a>
1.54      matthew  1755:     </th>
                   1756: </tr>
1.26      matthew  1757: END
1.56      matthew  1758:     }
                   1759:     #
                   1760:     # Sort the students
                   1761:     my %index;
                   1762:     my $i;
                   1763:     foreach (@$keylist) {
                   1764:         $index{$_} = $i++;
                   1765:     }
                   1766:     my $index  = $index{$sortby};
                   1767:     my $second = $index{'username'};
                   1768:     my $third  = $index{'domain'};
1.54      matthew  1769:     my @Sorted_Students = sort {
1.56      matthew  1770:         lc($classlist->{$a}->[$index])  cmp lc($classlist->{$b}->[$index])
                   1771:             ||
                   1772:         lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
                   1773:             ||
                   1774:         lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
                   1775:         } (keys(%$classlist));
1.54      matthew  1776:     foreach my $student (@Sorted_Students) {
1.52      matthew  1777:         my $error;
1.56      matthew  1778:         my $username = $classlist->{$student}->[$index{'username'}];
                   1779:         my $domain   = $classlist->{$student}->[$index{'domain'}];
                   1780:         my $section  = $classlist->{$student}->[$index{'section'}];
                   1781:         my $name     = $classlist->{$student}->[$index{'fullname'}];
                   1782:         my $id       = $classlist->{$student}->[$index{'id'}];
                   1783:         my $status   = $classlist->{$student}->[$index{'status'}];
1.51      matthew  1784:         next if ($status ne 'Active');
                   1785:         #
                   1786:         $r->print(<<"END");
1.26      matthew  1787: <tr>
1.51      matthew  1788:     <td><input type="checkbox" name="droplist" value="$student"></td>
                   1789:     <td>$username</td>
                   1790:     <td>$domain</td>
                   1791:     <td>$id</td>
                   1792:     <td>$name</td>
                   1793:     <td>$section</td>
1.26      matthew  1794: </tr>
                   1795: END
1.25      matthew  1796:     }
                   1797:     $r->print('</table><br>');
1.94      sakharuk 1798:     my %lt=&Apache::lonlocal::texthash(
                   1799: 	               'dp'   => "Drop Students",
                   1800:                        'ca'   => "check all",
                   1801:                        'ua'   => "uncheck all",
                   1802: 				       );
1.32      matthew  1803:     $r->print(<<"END");
                   1804: </p><p>
1.94      sakharuk 1805: <input type="button" value="$lt{'ca'}" onclick="javascript:checkAll(document.studentform.droplist)"> &nbsp;
                   1806: <input type="button" value="$lt{'ua'}" onclick="javascript:uncheckAll(document.studentform.droplist)"> 
                   1807: <p><input type=submit value="$lt{'dp'}"></p>
1.32      matthew  1808: END
1.51      matthew  1809:     return;
1.10      www      1810: }
                   1811: 
1.48      matthew  1812: #
                   1813: # Print out the initial form to get the courselist file
                   1814: #
                   1815: sub print_first_courselist_upload_form {
                   1816:     my $r=shift;
1.88      matthew  1817:     my $str;
                   1818:     $str  = '<input type="hidden" name="phase" value="two">';
                   1819:     $str .= '<input type="hidden" name="action" value="upload" />';
                   1820:     $str .= '<input type="hidden"   name="state"  value="got_file" />';
                   1821:     $str .= "<h3>".&mt('Upload a class list')."</h3>\n";
                   1822:     $str .= &Apache::loncommon::upfile_select_html();
                   1823:     $str .= "<p>\n";
                   1824:     $str .= '<input type="submit" name="fileupload" value="'.
                   1825:         &mt('Upload class list').'">'."\n";
                   1826:     $str .= '<input type="checkbox" name="noFirstLine" /> '.
                   1827:         &mt('Ignore First Line')."</p>\n";
                   1828:     $str .= &Apache::loncommon::help_open_topic("Course_Create_Class_List",
1.92      sakharuk 1829:                          &mt("How do I create a class list from a spreadsheet")).
1.88      matthew  1830:                              "<br />\n";
                   1831:     $str .= &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
1.92      sakharuk 1832:                            &mt("How do I create a CSV file from a spreadsheet")).
1.88      matthew  1833:                                "<br />\n";
                   1834:     $str .= "</body>\n</html>\n";
                   1835:     $r->print($str);
1.48      matthew  1836:     return;
                   1837: }
                   1838: 
1.10      www      1839: # ================================================= Drop/Add from uploaded file
                   1840: sub upfile_drop_add {
                   1841:     my $r=shift;
1.24      albertel 1842:     &Apache::loncommon::load_tmp_file($r);
                   1843:     my @studentdata=&Apache::loncommon::upfile_record_sep();
1.82      www      1844:     if($ENV{'form.noFirstLine'}){shift(@studentdata);}
1.26      matthew  1845:     my @keyfields = split(/\,/,$ENV{'form.keyfields'});
                   1846:     my $cid = $ENV{'request.course.id'};
1.25      matthew  1847:     my %fields=();
1.26      matthew  1848:     for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
1.25      matthew  1849:         if ($ENV{'form.upfile_associate'} eq 'reverse') {
                   1850:             if ($ENV{'form.f'.$i} ne 'none') {
                   1851:                 $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
                   1852:             }
                   1853:         } else {
                   1854:             $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
                   1855:         }
                   1856:     }
1.99      matthew  1857:     #
                   1858:     # Store the field choices away
                   1859:     foreach my $field (qw/username names 
                   1860:                        fname mname lname gen id sec ipwd email/) {
                   1861:         $ENV{'form.'.$field.'_choice'}=$fields{$field};
                   1862:     }
                   1863:     &Apache::loncommon::store_course_settings('enrollment_upload',
                   1864:                                               { 'username_choice' => 'scalar',
                   1865:                                                 'names_choice' => 'scalar',
                   1866:                                                 'fname_choice' => 'scalar',
                   1867:                                                 'mname_choice' => 'scalar',
                   1868:                                                 'lname_choice' => 'scalar',
                   1869:                                                 'gen_choice' => 'scalar',
                   1870:                                                 'id_choice' => 'scalar',
                   1871:                                                 'sec_choice' => 'scalar',
                   1872:                                                 'ipwd_choice' => 'scalar',
                   1873:                                                 'email_choice' => 'scalar' });
                   1874: 
1.26      matthew  1875:     #
1.68      matthew  1876:     my ($startdate,$enddate) = &get_dates_from_form();
                   1877:     if ($ENV{'form.makedatesdefault'}) {
                   1878:         $r->print(&make_dates_default($startdate,$enddate));
                   1879:     }
1.31      matthew  1880:     # Determine domain and desired host (home server)
1.25      matthew  1881:     my $domain=$ENV{'form.lcdomain'};
1.31      matthew  1882:     my $desiredhost = $ENV{'form.lcserver'};
                   1883:     if (lc($desiredhost) eq 'default') {
                   1884:         $desiredhost = undef;
                   1885:     } else {
1.45      matthew  1886:         my %home_servers = &Apache::loncommon::get_library_servers($domain);
1.31      matthew  1887:         if (! exists($home_servers{$desiredhost})) {
1.88      matthew  1888:             $r->print('<font color="#ff0000">'.&mt('Error').'</font>'.
                   1889:                       &mt('Invalid home server specified'));
                   1890:             $r->print("</body>\n</html>\n");
1.31      matthew  1891:             return;
                   1892:         }
                   1893:     }
1.26      matthew  1894:     # Determine authentication mechanism
                   1895:     my $amode  = '';
                   1896:     my $genpwd = '';
1.25      matthew  1897:     if ($ENV{'form.login'} eq 'krb') {
1.47      albertel 1898:         $amode='krb';
                   1899: 	$amode.=$ENV{'form.krbver'};
1.28      matthew  1900:         $genpwd=$ENV{'form.krbarg'};
1.25      matthew  1901:     } elsif ($ENV{'form.login'} eq 'int') {
                   1902:         $amode='internal';
1.28      matthew  1903:         if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) {
                   1904:             $genpwd=$ENV{'form.intarg'};
1.25      matthew  1905:         }
                   1906:     } elsif ($ENV{'form.login'} eq 'loc') {
                   1907:         $amode='localauth';
                   1908:         if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
                   1909:             $genpwd=$ENV{'form.locarg'};
1.79      matthew  1910:         }
                   1911:     }
                   1912:     if ($amode =~ /^krb/) {
                   1913:         if (! defined($genpwd) || $genpwd eq '') {
                   1914:             $r->print('<font color="red" size="+1">'.
1.88      matthew  1915:                       &mt('Unable to enroll students').'</font>  '.
                   1916:                       &mt('No Kerberos domain was specified.').'</p>');
1.79      matthew  1917:             $amode = ''; # This causes the loop below to be skipped
1.25      matthew  1918:         }
                   1919:     }
                   1920:     unless (($domain=~/\W/) || ($amode eq '')) {
1.26      matthew  1921:         #######################################
                   1922:         ##         Enroll Students           ##
                   1923:         #######################################
1.88      matthew  1924:         $r->print('<h3>'.&mt('Enrolling Students')."</h3>\n<p>\n");
1.25      matthew  1925:         my $count=0;
                   1926:         my $flushc=0;
                   1927:         my %student=();
1.26      matthew  1928:         # Get new classlist
1.25      matthew  1929:         foreach (@studentdata) {
                   1930:             my %entries=&Apache::loncommon::record_sep($_);
1.26      matthew  1931:             # Determine student name
1.25      matthew  1932:             unless (($entries{$fields{'username'}} eq '') ||
                   1933:                     (!defined($entries{$fields{'username'}}))) {
1.26      matthew  1934:                 my ($fname, $mname, $lname,$gen) = ('','','','');
1.25      matthew  1935:                 if (defined($fields{'names'})) {
1.26      matthew  1936:                     ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
                   1937:                                             /([^\,]+)\,\s*(\w+)\s*(.*)$/);
1.25      matthew  1938:                 } else {
                   1939:                     if (defined($fields{'fname'})) {
                   1940:                         $fname=$entries{$fields{'fname'}};
                   1941:                     }
                   1942:                     if (defined($fields{'mname'})) {
                   1943:                         $mname=$entries{$fields{'mname'}};
                   1944:                     }
                   1945:                     if (defined($fields{'lname'})) {
                   1946:                         $lname=$entries{$fields{'lname'}};
                   1947:                     }
                   1948:                     if (defined($fields{'gen'})) {
                   1949:                         $gen=$entries{$fields{'gen'}};
                   1950:                     }
                   1951:                 }
                   1952:                 if ($entries{$fields{'username'}}=~/\W/) {
1.88      matthew  1953:                     $r->print('<br />'.
                   1954:       &mt('<b>[_1]</b>: Unacceptable username for user [_2] [_3] [_4] [_5]',
                   1955:           $entries{$fields{'username'}},$fname,$mname,$lname,$gen).
                   1956:                               '</b>');
1.25      matthew  1957:                 } else {
1.26      matthew  1958:                     # determine section number
1.25      matthew  1959:                     my $sec='';
                   1960:                     my $username=$entries{$fields{'username'}};
                   1961:                     if (defined($fields{'sec'})) {
                   1962:                         if (defined($entries{$fields{'sec'}})) {
                   1963:                             $sec=$entries{$fields{'sec'}};
                   1964:                         }
                   1965:                     }
1.80      matthew  1966:                     # remove non alphanumeric values from section
                   1967:                     $sec =~ s/\W//g;
1.26      matthew  1968:                     # determine student id number
1.25      matthew  1969:                     my $id='';
                   1970:                     if (defined($fields{'id'})) {
                   1971:                         if (defined($entries{$fields{'id'}})) {
                   1972:                             $id=$entries{$fields{'id'}};
                   1973:                         }
                   1974:                         $id=~tr/A-Z/a-z/;
                   1975:                     }
1.73      www      1976:                     # determine email address
                   1977:                     my $email='';
                   1978:                     if (defined($fields{'email'})) {
                   1979:                         if (defined($entries{$fields{'email'}})) {
                   1980:                             $email=$entries{$fields{'email'}};
                   1981:                             unless ($email=~/^[^\@]+\@[^\@]+$/) { $email=''; }
                   1982:                         }
                   1983:                     }
1.26      matthew  1984:                     # determine student password
1.25      matthew  1985:                     my $password='';
                   1986:                     if ($genpwd) { 
                   1987:                         $password=$genpwd; 
                   1988:                     } else {
                   1989:                         if (defined($fields{'ipwd'})) {
                   1990:                             if ($entries{$fields{'ipwd'}}) {
                   1991:                                 $password=$entries{$fields{'ipwd'}};
                   1992:                             }
                   1993:                         }
                   1994:                     }
1.56      matthew  1995:                     # Clean up whitespace
                   1996:                     foreach (\$domain,\$username,\$id,\$fname,\$mname,
                   1997:                              \$lname,\$gen,\$sec) {
                   1998:                         $$_ =~ s/(\s+$|^\s+)//g;
                   1999:                     }
1.84      albertel 2000:                     if ($password || $ENV{'form.login'} eq 'loc') {
1.33      matthew  2001:                         &modifystudent($domain,$username,$cid,$sec,
                   2002:                                        $desiredhost);
1.25      matthew  2003:                         my $reply=&Apache::lonnet::modifystudent
                   2004:                             ($domain,$username,$id,$amode,$password,
                   2005:                              $fname,$mname,$lname,$gen,$sec,$enddate,
1.73      www      2006:                              $startdate,$ENV{'form.forceid'},$desiredhost,
                   2007:                              $email);
1.26      matthew  2008:                         if ($reply ne 'ok') {
1.72      matthew  2009:                             $reply =~ s/^error://;
1.88      matthew  2010:                             $r->print('<br />'.
                   2011:                 &mt('<b>[_1]</b>:  Unable to enroll: [_2]',$username,$reply));
1.10      www      2012:          		} else {
1.7       www      2013:                             $count++; $flushc++;
                   2014:                             $student{$username}=1;
1.6       www      2015:                             $r->print('. ');
1.7       www      2016:                             if ($flushc>15) {
                   2017: 				$r->rflush;
                   2018:                                 $flushc=0;
                   2019:                             }
1.6       www      2020:                         }
1.25      matthew  2021:                     } else {
1.88      matthew  2022:                         $r->print('<br />'.
                   2023:       &mt('<b>[_1]</b>: Unable to enroll.  No password specified.',$username)
                   2024:                                   );
1.25      matthew  2025:                     }
                   2026:                 }
1.26      matthew  2027:             }
                   2028:         } # end of foreach (@studentdata)
1.88      matthew  2029:         $r->print("</p>\n<p>\n".&mt('Processed [_1] student(s).',$count).
                   2030:                   "</p>\n");
                   2031:         $r->print("<p>\n".
                   2032:                   &mt('If active, the new role will be available when the '.
                   2033:                   'students next log in to LON-CAPA.')."</p>\n");
1.26      matthew  2034:         #####################################
                   2035:         #           Drop students           #
                   2036:         #####################################
1.25      matthew  2037:         if ($ENV{'form.fullup'} eq 'yes') {
1.88      matthew  2038:             $r->print('<h3>'.&mt('Dropping Students')."</h3>\n");
1.26      matthew  2039:             #  Get current classlist
1.56      matthew  2040:             my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
                   2041:             if (! defined($classlist)) {
1.88      matthew  2042:                 $r->print(&mt('There are no students currently enrolled.').
                   2043:                           "\n");
1.56      matthew  2044:             } else {
                   2045:                 # Remove the students we just added from the list of students.
1.25      matthew  2046:                 foreach (@studentdata) {
                   2047:                     my %entries=&Apache::loncommon::record_sep($_);
                   2048:                     unless (($entries{$fields{'username'}} eq '') ||
                   2049:                             (!defined($entries{$fields{'username'}}))) {
1.56      matthew  2050:                         delete($classlist->{$entries{$fields{'username'}}.
1.26      matthew  2051:                                                 ':'.$domain});
1.25      matthew  2052:                     }
                   2053:                 }
1.56      matthew  2054:                 # Print out list of dropped students.
                   2055:                 &show_drop_list($r,$classlist,$keylist,'nosort');
1.25      matthew  2056:             }
                   2057:         }
1.26      matthew  2058:     } # end of unless
1.10      www      2059: }
                   2060: 
1.11      www      2061: # ================================================================== Phase four
                   2062: sub drop_student_list {
                   2063:     my $r=shift;
                   2064:     my $count=0;
1.35      matthew  2065:     my @droplist;
                   2066:     if (ref($ENV{'form.droplist'})) {
                   2067:         @droplist = @{$ENV{'form.droplist'}};
                   2068:     } else {
                   2069:         @droplist = ($ENV{'form.droplist'});
                   2070:     }
                   2071:     foreach (@droplist) {
1.26      matthew  2072:         my ($uname,$udom)=split(/\:/,$_);
1.56      matthew  2073:         # drop student
1.35      matthew  2074:         my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
1.37      matthew  2075:         if ($result eq 'ok' || $result eq 'ok:') {
1.88      matthew  2076:             $r->print(&mt('Dropped [_1]',$uname.'@'.$udom).'<br>');
1.59      matthew  2077:             $count++;
1.35      matthew  2078:         } else {
1.88      matthew  2079:             $r->print(
                   2080:           &mt('Error dropping [_1]:[_2]',$uname.'@'.$udom,$result).
1.35      matthew  2081:                       '<br />');
                   2082:         }
1.20      harris41 2083:     }
1.88      matthew  2084:     $r->print('<p><b>'.&mt('Dropped [_1] student(s).',$count).'</b></p>');
                   2085:     $r->print('<p>'.&mt('Re-enrollment will re-activate data.')) if ($count);
1.11      www      2086: }
                   2087: 
1.50      matthew  2088: ###################################################################
                   2089: ###################################################################
                   2090: 
                   2091: =pod
                   2092: 
                   2093: =item &handler
                   2094: 
                   2095: The typical handler you see in all these modules.  Takes $r, the
                   2096: http request, as an argument.  
                   2097: 
                   2098: The response to the request is governed by two form variables
                   2099: 
                   2100:  form.action      form.state     response
                   2101:  ---------------------------------------------------
                   2102:  undefined        undefined      print main menu
                   2103:  upload           undefined      print courselist upload menu
                   2104:  upload           got_file       deal with uploaded file,
                   2105:                                  print the upload managing menu
                   2106:  upload           enrolling      enroll students based on upload
                   2107:  drop             undefined      print the classlist ready to drop
                   2108:  drop             done           drop the selected students
1.74      matthew  2109:  enrollstudent    undefined      print student username domain form
                   2110:  enrollstudent    gotusername    print single student enroll menu
1.50      matthew  2111:  enrollstudent    enrolling      enroll student
                   2112:  classlist        undefined      print html classlist
                   2113:  classlist        csv            print csv classlist
                   2114:  modifystudent    undefined      print classlist to select student to modify
                   2115:  modifystudent    selected       print modify student menu
                   2116:  modifystudent    done           make modifications to student record
                   2117: 
                   2118: =cut
                   2119: 
                   2120: ###################################################################
                   2121: ###################################################################
1.10      www      2122: sub handler {
1.26      matthew  2123:     my $r=shift;
                   2124:     if ($r->header_only) {
1.86      www      2125:         &Apache::loncommon::content_type($r,'text/html');
1.26      matthew  2126:         $r->send_http_header;
                   2127:         return OK;
                   2128:     }
1.48      matthew  2129:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.50      matthew  2130:                                             ['action','state']);
1.102     matthew  2131: 
                   2132:     &Apache::lonhtmlcommon::clear_breadcrumbs();
                   2133:     &Apache::lonhtmlcommon::add_breadcrumb
                   2134:         ({href=>"/adm/dropadd",
                   2135:           text=>"Enrollment Manager",
                   2136:           faq=>9,bug=>'Instructor Interface',});
1.26      matthew  2137:     #  Needs to be in a course
1.50      matthew  2138:     if (! (($ENV{'request.course.fn'}) &&
                   2139:           (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'})))) {
                   2140:         # Not in a course, or not allowed to modify parms
                   2141:         $ENV{'user.error.msg'}=
                   2142:             "/adm/dropadd:cst:0:0:Cannot drop or add students";
                   2143:         return HTTP_NOT_ACCEPTABLE; 
                   2144:     }
                   2145:     #
                   2146:     # Only output the header information if they did not request csv format
                   2147:     #
1.102     matthew  2148:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                   2149:                                             ['state','action']);
1.103   ! matthew  2150:     # Start page
        !          2151:     &Apache::loncommon::content_type($r,'text/html');
        !          2152:     $r->send_http_header;
        !          2153:     $r->print(&header());
1.50      matthew  2154:     #
                   2155:     # Main switch on form.action and form.state, as appropriate
                   2156:     if (! exists($ENV{'form.action'})) {
1.102     matthew  2157:         $r->print(&Apache::lonhtmlcommon::breadcrumbs
                   2158:                   (undef,'Enrollment Manager'));
1.50      matthew  2159:         &print_main_menu($r);
                   2160:     } elsif ($ENV{'form.action'} eq 'upload') {
1.102     matthew  2161:         &Apache::lonhtmlcommon::add_breadcrumb
                   2162:             ({href=>'/adm/dropadd?action=upload&state=',
                   2163:               text=>"Upload Classlist",
                   2164:               faq=>9,bug=>'Instructor Interface',});
                   2165:         $r->print(&Apache::lonhtmlcommon::breadcrumbs
                   2166:                   (undef,'Upload Classlist'));
1.50      matthew  2167:         if (! exists($ENV{'form.state'})) {
                   2168:             &print_first_courselist_upload_form($r);            
                   2169:         } elsif ($ENV{'form.state'} eq 'got_file') {
                   2170:             &print_upload_manager_form($r);
                   2171:         } elsif ($ENV{'form.state'} eq 'enrolling') {
1.26      matthew  2172:             if ($ENV{'form.datatoken'}) {
                   2173:                 &upfile_drop_add($r);
1.50      matthew  2174:             } else {
                   2175:                 # Hmmm, this is an error
1.26      matthew  2176:             }
1.50      matthew  2177:         } else {
                   2178:             &print_first_courselist_upload_form($r);            
1.26      matthew  2179:         }
1.50      matthew  2180:     } elsif ($ENV{'form.action'} eq 'drop') {
1.102     matthew  2181:         &Apache::lonhtmlcommon::add_breadcrumb
                   2182:             ({href=>'/adm/dropadd?action=drop',
                   2183:               text=>"Drop Students",
                   2184:               faq=>9,bug=>'Instructor Interface',});
                   2185:         $r->print(&Apache::lonhtmlcommon::breadcrumbs
                   2186:                   (undef,'Drop Students'));
1.50      matthew  2187:         if (! exists($ENV{'form.state'})) {
1.51      matthew  2188:             &print_drop_menu($r);
1.50      matthew  2189:         } elsif ($ENV{'form.state'} eq 'done') {
1.26      matthew  2190:             &drop_student_list($r);
1.50      matthew  2191:         } else {
1.55      matthew  2192:             &print_drop_menu($r);
1.26      matthew  2193:         }
1.50      matthew  2194:     } elsif ($ENV{'form.action'} eq 'enrollstudent') {
1.102     matthew  2195:         &Apache::lonhtmlcommon::add_breadcrumb
                   2196:             ({href=>'/adm/dropadd?action=enrollstudent',
                   2197:               text=>"Enroll Student",
                   2198:               faq=>9,bug=>'Instructor Interface',});
                   2199:         $r->print(&Apache::lonhtmlcommon::breadcrumbs
                   2200:                   (undef,'Enroll Student'));
1.50      matthew  2201:         if (! exists($ENV{'form.state'})) {
1.74      matthew  2202:             &get_student_username_domain_form($r);
                   2203:         } elsif ($ENV{'form.state'} eq 'gotusername') {
1.50      matthew  2204:             &print_enroll_single_student_form($r);
                   2205:         } elsif ($ENV{'form.state'} eq 'enrolling') {
1.26      matthew  2206:             &enroll_single_student($r);
1.50      matthew  2207:         } else {
1.74      matthew  2208:             &get_student_username_domain_form($r);
1.26      matthew  2209:         }
1.50      matthew  2210:     } elsif ($ENV{'form.action'} eq 'classlist') {
1.102     matthew  2211:         &Apache::lonhtmlcommon::add_breadcrumb
                   2212:             ({href=>'/adm/dropadd?action=classlist',
                   2213:               text=>"View Classlist",
                   2214:               faq=>9,bug=>'Instructor Interface',});
                   2215:         $r->print(&Apache::lonhtmlcommon::breadcrumbs
                   2216:                   (undef,'View Classlist'));
1.50      matthew  2217:         if (! exists($ENV{'form.state'})) {
1.103   ! matthew  2218:             &print_html_classlist($r,undef);
1.50      matthew  2219:         } elsif ($ENV{'form.state'} eq 'csv') {
1.103   ! matthew  2220:             &print_html_classlist($r,'csv');
1.60      matthew  2221:         } elsif ($ENV{'form.state'} eq 'excel') {
1.103   ! matthew  2222:             &print_html_classlist($r,'excel');
1.50      matthew  2223:         } else {
1.103   ! matthew  2224:             &print_html_classlist($r,undef);
1.50      matthew  2225:         }
                   2226:     } elsif ($ENV{'form.action'} eq 'modifystudent') {
1.102     matthew  2227:         &Apache::lonhtmlcommon::add_breadcrumb
                   2228:             ({href=>'/adm/dropadd?action=modifystudent',
                   2229:               text=>"Modify Student Data",
                   2230:               faq=>9,bug=>'Instructor Interface',});
                   2231:         $r->print(&Apache::lonhtmlcommon::breadcrumbs
                   2232:                   (undef,'Modify Student Data'));
1.50      matthew  2233:         if (! exists($ENV{'form.state'})) {
                   2234:             &print_html_classlist($r);
                   2235:         } elsif ($ENV{'form.state'} eq 'selected') {
                   2236:             &print_modify_student_form($r);
                   2237:         } elsif ($ENV{'form.state'} eq 'done') {
                   2238:             &modify_single_student($r);
                   2239:         } else {
                   2240:             &print_html_classlist($r);
                   2241:         }        
                   2242:     } else {
                   2243:         # We should not end up here, but I guess it is possible
                   2244:         &Apache::lonnet::logthis("Undetermined state in londropadd.pm.  ".
                   2245:                                  "form.action = ".$ENV{'form.action'}.
                   2246:                                  "Someone should fix this.");
1.102     matthew  2247:         $r->print(&Apache::lonhtmlcommon::breadcrumbs
                   2248:                   (undef,'Enrollment Manager'));
1.50      matthew  2249:         &print_main_menu($r);
                   2250:     }
                   2251:     #
                   2252:     # Finish up
1.103   ! matthew  2253:     $r->print('</form></body></html>');
1.26      matthew  2254:     return OK;
1.1       www      2255: }
                   2256: 
1.50      matthew  2257: ###################################################################
                   2258: ###################################################################
                   2259: 
1.1       www      2260: 1;
                   2261: __END__
1.50      matthew  2262: 
1.1       www      2263: 

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